Home / 125,250.16-172,857.20-71,543.20

Finding the Fourth Proportional to 125,250.16, 172,857.20 and 71,543.20

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Solution

The fourth proportional to 125,250.16, 172,857.20 and 71,543.20 is: 98,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,250.16 : 172,857.20 = 71,543.20 : x
  2. Step 2: Convert to fraction form
    125,250.16/172,857.20 = 71,543.20/x
  3. Step 3: Cross multiply
    125,250.16x = 172,857.20 × 71,543.20
  4. Step 4: Simplify right side
    125,250.16x = 12,366,757,231.04
  5. Step 5: Solve for x
    x = 12,366,757,231.04/125,250.16
  6. Step 6: Final answer
    x = 98,736.46

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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.