Home / 137,249.08-205,735.02-66,067.18

Finding the Fourth Proportional to 137,249.08, 205,735.02 and 66,067.18

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Solution

The fourth proportional to 137,249.08, 205,735.02 and 66,067.18 is: 99,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,249.08 : 205,735.02 = 66,067.18 : x
  2. Step 2: Convert to fraction form
    137,249.08/205,735.02 = 66,067.18/x
  3. Step 3: Cross multiply
    137,249.08x = 205,735.02 × 66,067.18
  4. Step 4: Simplify right side
    137,249.08x = 13,592,332,598.64
  5. Step 5: Solve for x
    x = 13,592,332,598.64/137,249.08
  6. Step 6: Final answer
    x = 99,034.05

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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.