Home / 119,814.28-165,344.82-66,101.08

Finding the Fourth Proportional to 119,814.28, 165,344.82 and 66,101.08

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Solution

The fourth proportional to 119,814.28, 165,344.82 and 66,101.08 is: 91,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,814.28 : 165,344.82 = 66,101.08 : x
  2. Step 2: Convert to fraction form
    119,814.28/165,344.82 = 66,101.08/x
  3. Step 3: Cross multiply
    119,814.28x = 165,344.82 × 66,101.08
  4. Step 4: Simplify right side
    119,814.28x = 10,929,471,174.41
  5. Step 5: Solve for x
    x = 10,929,471,174.41/119,814.28
  6. Step 6: Final answer
    x = 91,220.10

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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.