Home / 136,411.66-204,617.90-47,665.18

Finding the Fourth Proportional to 136,411.66, 204,617.90 and 47,665.18

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Solution

The fourth proportional to 136,411.66, 204,617.90 and 47,665.18 is: 71,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,411.66 : 204,617.90 = 47,665.18 : x
  2. Step 2: Convert to fraction form
    136,411.66/204,617.90 = 47,665.18/x
  3. Step 3: Cross multiply
    136,411.66x = 204,617.90 × 47,665.18
  4. Step 4: Simplify right side
    136,411.66x = 9,753,149,034.72
  5. Step 5: Solve for x
    x = 9,753,149,034.72/136,411.66
  6. Step 6: Final answer
    x = 71,497.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.