Home / 125,439.60-173,118.94-71,732.54

Finding the Fourth Proportional to 125,439.60, 173,118.94 and 71,732.54

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Solution

The fourth proportional to 125,439.60, 173,118.94 and 71,732.54 is: 98,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,439.60 : 173,118.94 = 71,732.54 : x
  2. Step 2: Convert to fraction form
    125,439.60/173,118.94 = 71,732.54/x
  3. Step 3: Cross multiply
    125,439.60x = 173,118.94 × 71,732.54
  4. Step 4: Simplify right side
    125,439.60x = 12,418,261,288.31
  5. Step 5: Solve for x
    x = 12,418,261,288.31/125,439.60
  6. Step 6: Final answer
    x = 98,997.93

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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.