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Finding the Fourth Proportional to 119,555.89, 165,066.53 and 74,301.39

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Solution

The fourth proportional to 119,555.89, 165,066.53 and 74,301.39 is: 102,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555.89 : 165,066.53 = 74,301.39 : x
  2. Step 2: Convert to fraction form
    119,555.89/165,066.53 = 74,301.39/x
  3. Step 3: Cross multiply
    119,555.89x = 165,066.53 × 74,301.39
  4. Step 4: Simplify right side
    119,555.89x = 12,264,672,249.97
  5. Step 5: Solve for x
    x = 12,264,672,249.97/119,555.89
  6. Step 6: Final answer
    x = 102,585.26

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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.