Home / 136,534.20-204,801.30-125,129.40

Finding the Fourth Proportional to 136,534.20, 204,801.30 and 125,129.40

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Solution

The fourth proportional to 136,534.20, 204,801.30 and 125,129.40 is: 187,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,534.20 : 204,801.30 = 125,129.40 : x
  2. Step 2: Convert to fraction form
    136,534.20/204,801.30 = 125,129.40/x
  3. Step 3: Cross multiply
    136,534.20x = 204,801.30 × 125,129.40
  4. Step 4: Simplify right side
    136,534.20x = 25,626,663,788.22
  5. Step 5: Solve for x
    x = 25,626,663,788.22/136,534.20
  6. Step 6: Final answer
    x = 187,694.10

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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.