Home / 125,033.12-172,532.88-71,314.08

Finding the Fourth Proportional to 125,033.12, 172,532.88 and 71,314.08

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Solution

The fourth proportional to 125,033.12, 172,532.88 and 71,314.08 is: 98,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,033.12 : 172,532.88 = 71,314.08 : x
  2. Step 2: Convert to fraction form
    125,033.12/172,532.88 = 71,314.08/x
  3. Step 3: Cross multiply
    125,033.12x = 172,532.88 × 71,314.08
  4. Step 4: Simplify right side
    125,033.12x = 12,304,023,606.95
  5. Step 5: Solve for x
    x = 12,304,023,606.95/125,033.12
  6. Step 6: Final answer
    x = 98,406.12

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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.