Home / 125,077.26-172,605.36-67,715.06

Finding the Fourth Proportional to 125,077.26, 172,605.36 and 67,715.06

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Solution

The fourth proportional to 125,077.26, 172,605.36 and 67,715.06 is: 93,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,077.26 : 172,605.36 = 67,715.06 : x
  2. Step 2: Convert to fraction form
    125,077.26/172,605.36 = 67,715.06/x
  3. Step 3: Cross multiply
    125,077.26x = 172,605.36 × 67,715.06
  4. Step 4: Simplify right side
    125,077.26x = 11,687,982,308.72
  5. Step 5: Solve for x
    x = 11,687,982,308.72/125,077.26
  6. Step 6: Final answer
    x = 93,446.10

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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.