Home / 163,596.47-225,759.85-90,997.79

Finding the Fourth Proportional to 163,596.47, 225,759.85 and 90,997.79

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Solution

The fourth proportional to 163,596.47, 225,759.85 and 90,997.79 is: 125,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,596.47 : 225,759.85 = 90,997.79 : x
  2. Step 2: Convert to fraction form
    163,596.47/225,759.85 = 90,997.79/x
  3. Step 3: Cross multiply
    163,596.47x = 225,759.85 × 90,997.79
  4. Step 4: Simplify right side
    163,596.47x = 20,543,646,064.44
  5. Step 5: Solve for x
    x = 20,543,646,064.44/163,596.47
  6. Step 6: Final answer
    x = 125,575.12

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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.