Home / 163,185.12-225,197.28-90,592.92

Finding the Fourth Proportional to 163,185.12, 225,197.28 and 90,592.92

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Solution

The fourth proportional to 163,185.12, 225,197.28 and 90,592.92 is: 125,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,185.12 : 225,197.28 = 90,592.92 : x
  2. Step 2: Convert to fraction form
    163,185.12/225,197.28 = 90,592.92/x
  3. Step 3: Cross multiply
    163,185.12x = 225,197.28 × 90,592.92
  4. Step 4: Simplify right side
    163,185.12x = 20,401,279,171.26
  5. Step 5: Solve for x
    x = 20,401,279,171.26/163,185.12
  6. Step 6: Final answer
    x = 125,019.24

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.