Home / 136,520.91-204,775.02-47,794.32

Finding the Fourth Proportional to 136,520.91, 204,775.02 and 47,794.32

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Solution

The fourth proportional to 136,520.91, 204,775.02 and 47,794.32 is: 71,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,520.91 : 204,775.02 = 47,794.32 : x
  2. Step 2: Convert to fraction form
    136,520.91/204,775.02 = 47,794.32/x
  3. Step 3: Cross multiply
    136,520.91x = 204,775.02 × 47,794.32
  4. Step 4: Simplify right side
    136,520.91x = 9,787,082,833.89
  5. Step 5: Solve for x
    x = 9,787,082,833.89/136,520.91
  6. Step 6: Final answer
    x = 71,689.26

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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.