Home / 125,064.91-172,589.54-67,704.19

Finding the Fourth Proportional to 125,064.91, 172,589.54 and 67,704.19

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Solution

The fourth proportional to 125,064.91, 172,589.54 and 67,704.19 is: 93,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,064.91 : 172,589.54 = 67,704.19 : x
  2. Step 2: Convert to fraction form
    125,064.91/172,589.54 = 67,704.19/x
  3. Step 3: Cross multiply
    125,064.91x = 172,589.54 × 67,704.19
  4. Step 4: Simplify right side
    125,064.91x = 11,685,035,008.17
  5. Step 5: Solve for x
    x = 11,685,035,008.17/125,064.91
  6. Step 6: Final answer
    x = 93,431.76

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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.