Home / 119,934.02-165,515.43-66,218.87

Finding the Fourth Proportional to 119,934.02, 165,515.43 and 66,218.87

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Solution

The fourth proportional to 119,934.02, 165,515.43 and 66,218.87 is: 91,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,934.02 : 165,515.43 = 66,218.87 : x
  2. Step 2: Convert to fraction form
    119,934.02/165,515.43 = 66,218.87/x
  3. Step 3: Cross multiply
    119,934.02x = 165,515.43 × 66,218.87
  4. Step 4: Simplify right side
    119,934.02x = 10,960,244,742.16
  5. Step 5: Solve for x
    x = 10,960,244,742.16/119,934.02
  6. Step 6: Final answer
    x = 91,385.62

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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.