Home / 119,902.59-165,465.61-66,187.64

Finding the Fourth Proportional to 119,902.59, 165,465.61 and 66,187.64

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Solution

The fourth proportional to 119,902.59, 165,465.61 and 66,187.64 is: 91,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,902.59 : 165,465.61 = 66,187.64 : x
  2. Step 2: Convert to fraction form
    119,902.59/165,465.61 = 66,187.64/x
  3. Step 3: Cross multiply
    119,902.59x = 165,465.61 × 66,187.64
  4. Step 4: Simplify right side
    119,902.59x = 10,951,777,896.12
  5. Step 5: Solve for x
    x = 10,951,777,896.12/119,902.59
  6. Step 6: Final answer
    x = 91,338.96

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Why These Related Problems?

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