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Finding the Fourth Proportional to 134,505.22, 185,575.32 and 76,352.28

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Solution

The fourth proportional to 134,505.22, 185,575.32 and 76,352.28 is: 105,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,505.22 : 185,575.32 = 76,352.28 : x
  2. Step 2: Convert to fraction form
    134,505.22/185,575.32 = 76,352.28/x
  3. Step 3: Cross multiply
    134,505.22x = 185,575.32 × 76,352.28
  4. Step 4: Simplify right side
    134,505.22x = 14,169,098,793.73
  5. Step 5: Solve for x
    x = 14,169,098,793.73/134,505.22
  6. Step 6: Final answer
    x = 105,342.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.