Home / 125,439.42-173,105.87-68,849.58

Finding the Fourth Proportional to 125,439.42, 173,105.87 and 68,849.58

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Solution

The fourth proportional to 125,439.42, 173,105.87 and 68,849.58 is: 95,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,439.42 : 173,105.87 = 68,849.58 : x
  2. Step 2: Convert to fraction form
    125,439.42/173,105.87 = 68,849.58/x
  3. Step 3: Cross multiply
    125,439.42x = 173,105.87 × 68,849.58
  4. Step 4: Simplify right side
    125,439.42x = 11,918,266,100.79
  5. Step 5: Solve for x
    x = 11,918,266,100.79/125,439.42
  6. Step 6: Final answer
    x = 95,012.13

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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.