Home / 121,535.60-182,321.60-42,635.93

Finding the Fourth Proportional to 121,535.60, 182,321.60 and 42,635.93

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Solution

The fourth proportional to 121,535.60, 182,321.60 and 42,635.93 is: 63,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,535.60 : 182,321.60 = 42,635.93 : x
  2. Step 2: Convert to fraction form
    121,535.60/182,321.60 = 42,635.93/x
  3. Step 3: Cross multiply
    121,535.60x = 182,321.60 × 42,635.93
  4. Step 4: Simplify right side
    121,535.60x = 7,773,449,850.30
  5. Step 5: Solve for x
    x = 7,773,449,850.30/121,535.60
  6. Step 6: Final answer
    x = 63,960.27

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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.