Home / 125,250.21-172,841.72-71,534.12

Finding the Fourth Proportional to 125,250.21, 172,841.72 and 71,534.12

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Solution

The fourth proportional to 125,250.21, 172,841.72 and 71,534.12 is: 98,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,250.21 : 172,841.72 = 71,534.12 : x
  2. Step 2: Convert to fraction form
    125,250.21/172,841.72 = 71,534.12/x
  3. Step 3: Cross multiply
    125,250.21x = 172,841.72 × 71,534.12
  4. Step 4: Simplify right side
    125,250.21x = 12,364,079,117.61
  5. Step 5: Solve for x
    x = 12,364,079,117.61/125,250.21
  6. Step 6: Final answer
    x = 98,715.04

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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.