Home / 125,251.21-172,843.09-71,535.12

Finding the Fourth Proportional to 125,251.21, 172,843.09 and 71,535.12

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Solution

The fourth proportional to 125,251.21, 172,843.09 and 71,535.12 is: 98,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,251.21 : 172,843.09 = 71,535.12 : x
  2. Step 2: Convert to fraction form
    125,251.21/172,843.09 = 71,535.12/x
  3. Step 3: Cross multiply
    125,251.21x = 172,843.09 × 71,535.12
  4. Step 4: Simplify right side
    125,251.21x = 12,364,351,184.32
  5. Step 5: Solve for x
    x = 12,364,351,184.32/125,251.21
  6. Step 6: Final answer
    x = 98,716.42

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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.