Home / 118,431.60-177,659.28-34,193.88

Finding the Fourth Proportional to 118,431.60, 177,659.28 and 34,193.88

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Solution

The fourth proportional to 118,431.60, 177,659.28 and 34,193.88 is: 51,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,431.60 : 177,659.28 = 34,193.88 : x
  2. Step 2: Convert to fraction form
    118,431.60/177,659.28 = 34,193.88/x
  3. Step 3: Cross multiply
    118,431.60x = 177,659.28 × 34,193.88
  4. Step 4: Simplify right side
    118,431.60x = 6,074,860,101.21
  5. Step 5: Solve for x
    x = 6,074,860,101.21/118,431.60
  6. Step 6: Final answer
    x = 51,294.25

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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.