Home / 118,212.62-177,319.13-39,327.53

Finding the Fourth Proportional to 118,212.62, 177,319.13 and 39,327.53

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Solution

The fourth proportional to 118,212.62, 177,319.13 and 39,327.53 is: 58,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,212.62 : 177,319.13 = 39,327.53 : x
  2. Step 2: Convert to fraction form
    118,212.62/177,319.13 = 39,327.53/x
  3. Step 3: Cross multiply
    118,212.62x = 177,319.13 × 39,327.53
  4. Step 4: Simplify right side
    118,212.62x = 6,973,522,321.42
  5. Step 5: Solve for x
    x = 6,973,522,321.42/118,212.62
  6. Step 6: Final answer
    x = 58,991.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.