Home / 136,139.64-204,246.18-47,398.20

Finding the Fourth Proportional to 136,139.64, 204,246.18 and 47,398.20

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Solution

The fourth proportional to 136,139.64, 204,246.18 and 47,398.20 is: 71,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,139.64 : 204,246.18 = 47,398.20 : x
  2. Step 2: Convert to fraction form
    136,139.64/204,246.18 = 47,398.20/x
  3. Step 3: Cross multiply
    136,139.64x = 204,246.18 × 47,398.20
  4. Step 4: Simplify right side
    136,139.64x = 9,680,901,288.88
  5. Step 5: Solve for x
    x = 9,680,901,288.88/136,139.64
  6. Step 6: Final answer
    x = 71,110.08

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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.