Home / 112,755.01-155,565.30-76,882.74

Finding the Fourth Proportional to 112,755.01, 155,565.30 and 76,882.74

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Solution

The fourth proportional to 112,755.01, 155,565.30 and 76,882.74 is: 106,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,755.01 : 155,565.30 = 76,882.74 : x
  2. Step 2: Convert to fraction form
    112,755.01/155,565.30 = 76,882.74/x
  3. Step 3: Cross multiply
    112,755.01x = 155,565.30 × 76,882.74
  4. Step 4: Simplify right side
    112,755.01x = 11,960,287,384.60
  5. Step 5: Solve for x
    x = 11,960,287,384.60/112,755.01
  6. Step 6: Final answer
    x = 106,073.22

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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.