Home / 125,027.52-172,538.76-71,311.96

Finding the Fourth Proportional to 125,027.52, 172,538.76 and 71,311.96

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Solution

The fourth proportional to 125,027.52, 172,538.76 and 71,311.96 is: 98,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,027.52 : 172,538.76 = 71,311.96 : x
  2. Step 2: Convert to fraction form
    125,027.52/172,538.76 = 71,311.96/x
  3. Step 3: Cross multiply
    125,027.52x = 172,538.76 × 71,311.96
  4. Step 4: Simplify right side
    125,027.52x = 12,304,077,151.57
  5. Step 5: Solve for x
    x = 12,304,077,151.57/125,027.52
  6. Step 6: Final answer
    x = 98,410.95

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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.