Home / 163,147.48-225,140.12-90,546.17

Finding the Fourth Proportional to 163,147.48, 225,140.12 and 90,546.17

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Solution

The fourth proportional to 163,147.48, 225,140.12 and 90,546.17 is: 124,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,147.48 : 225,140.12 = 90,546.17 : x
  2. Step 2: Convert to fraction form
    163,147.48/225,140.12 = 90,546.17/x
  3. Step 3: Cross multiply
    163,147.48x = 225,140.12 × 90,546.17
  4. Step 4: Simplify right side
    163,147.48x = 20,385,576,116.19
  5. Step 5: Solve for x
    x = 20,385,576,116.19/163,147.48
  6. Step 6: Final answer
    x = 124,951.83

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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.