Home / 119,808.40-165,333.54-66,098.56

Finding the Fourth Proportional to 119,808.40, 165,333.54 and 66,098.56

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Solution

The fourth proportional to 119,808.40, 165,333.54 and 66,098.56 is: 91,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,808.40 : 165,333.54 = 66,098.56 : x
  2. Step 2: Convert to fraction form
    119,808.40/165,333.54 = 66,098.56/x
  3. Step 3: Cross multiply
    119,808.40x = 165,333.54 × 66,098.56
  4. Step 4: Simplify right side
    119,808.40x = 10,928,308,913.70
  5. Step 5: Solve for x
    x = 10,928,308,913.70/119,808.40
  6. Step 6: Final answer
    x = 91,214.88

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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.