Home / 136,422.90-204,634.35-124,613.10

Finding the Fourth Proportional to 136,422.90, 204,634.35 and 124,613.10

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Solution

The fourth proportional to 136,422.90, 204,634.35 and 124,613.10 is: 186,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,422.90 : 204,634.35 = 124,613.10 : x
  2. Step 2: Convert to fraction form
    136,422.90/204,634.35 = 124,613.10/x
  3. Step 3: Cross multiply
    136,422.90x = 204,634.35 × 124,613.10
  4. Step 4: Simplify right side
    136,422.90x = 25,500,120,719.99
  5. Step 5: Solve for x
    x = 25,500,120,719.99/136,422.90
  6. Step 6: Final answer
    x = 186,919.65

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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.