Home / 149,082.39-205,661.30-88,610.15

Finding the Fourth Proportional to 149,082.39, 205,661.30 and 88,610.15

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Solution

The fourth proportional to 149,082.39, 205,661.30 and 88,610.15 is: 122,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,082.39 : 205,661.30 = 88,610.15 : x
  2. Step 2: Convert to fraction form
    149,082.39/205,661.30 = 88,610.15/x
  3. Step 3: Cross multiply
    149,082.39x = 205,661.30 × 88,610.15
  4. Step 4: Simplify right side
    149,082.39x = 18,223,678,713.30
  5. Step 5: Solve for x
    x = 18,223,678,713.30/149,082.39
  6. Step 6: Final answer
    x = 122,238.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.