Home / 136,249.67-204,079.11-65,981.63

Finding the Fourth Proportional to 136,249.67, 204,079.11 and 65,981.63

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Solution

The fourth proportional to 136,249.67, 204,079.11 and 65,981.63 is: 98,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,249.67 : 204,079.11 = 65,981.63 : x
  2. Step 2: Convert to fraction form
    136,249.67/204,079.11 = 65,981.63/x
  3. Step 3: Cross multiply
    136,249.67x = 204,079.11 × 65,981.63
  4. Step 4: Simplify right side
    136,249.67x = 13,465,471,306.35
  5. Step 5: Solve for x
    x = 13,465,471,306.35/136,249.67
  6. Step 6: Final answer
    x = 98,829.39

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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.