Home / 136,266.23-204,400.25-47,519.39

Finding the Fourth Proportional to 136,266.23, 204,400.25 and 47,519.39

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Solution

The fourth proportional to 136,266.23, 204,400.25 and 47,519.39 is: 71,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,266.23 : 204,400.25 = 47,519.39 : x
  2. Step 2: Convert to fraction form
    136,266.23/204,400.25 = 47,519.39/x
  3. Step 3: Cross multiply
    136,266.23x = 204,400.25 × 47,519.39
  4. Step 4: Simplify right side
    136,266.23x = 9,712,975,195.85
  5. Step 5: Solve for x
    x = 9,712,975,195.85/136,266.23
  6. Step 6: Final answer
    x = 71,279.40

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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.