Home / 119,839.64-165,377.58-66,125.12

Finding the Fourth Proportional to 119,839.64, 165,377.58 and 66,125.12

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Solution

The fourth proportional to 119,839.64, 165,377.58 and 66,125.12 is: 91,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,839.64 : 165,377.58 = 66,125.12 : x
  2. Step 2: Convert to fraction form
    119,839.64/165,377.58 = 66,125.12/x
  3. Step 3: Cross multiply
    119,839.64x = 165,377.58 × 66,125.12
  4. Step 4: Simplify right side
    119,839.64x = 10,935,612,322.81
  5. Step 5: Solve for x
    x = 10,935,612,322.81/119,839.64
  6. Step 6: Final answer
    x = 91,252.05

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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.