Home / 220,700.91-331,084.31-102,384.21

Finding the Fourth Proportional to 220,700.91, 331,084.31 and 102,384.21

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Solution

The fourth proportional to 220,700.91, 331,084.31 and 102,384.21 is: 153,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,700.91 : 331,084.31 = 102,384.21 : x
  2. Step 2: Convert to fraction form
    220,700.91/331,084.31 = 102,384.21/x
  3. Step 3: Cross multiply
    220,700.91x = 331,084.31 × 102,384.21
  4. Step 4: Simplify right side
    220,700.91x = 33,897,805,010.82
  5. Step 5: Solve for x
    x = 33,897,805,010.82/220,700.91
  6. Step 6: Final answer
    x = 153,591.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.