Home / 125,246.20-172,841.16-71,538.34

Finding the Fourth Proportional to 125,246.20, 172,841.16 and 71,538.34

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Solution

The fourth proportional to 125,246.20, 172,841.16 and 71,538.34 is: 98,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,246.20 : 172,841.16 = 71,538.34 : x
  2. Step 2: Convert to fraction form
    125,246.20/172,841.16 = 71,538.34/x
  3. Step 3: Cross multiply
    125,246.20x = 172,841.16 × 71,538.34
  4. Step 4: Simplify right side
    125,246.20x = 12,364,769,670.07
  5. Step 5: Solve for x
    x = 12,364,769,670.07/125,246.20
  6. Step 6: Final answer
    x = 98,723.71

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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.