Home / 134,026.30-201,039.45-81,451.90

Finding the Fourth Proportional to 134,026.30, 201,039.45 and 81,451.90

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Solution

The fourth proportional to 134,026.30, 201,039.45 and 81,451.90 is: 122,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,026.30 : 201,039.45 = 81,451.90 : x
  2. Step 2: Convert to fraction form
    134,026.30/201,039.45 = 81,451.90/x
  3. Step 3: Cross multiply
    134,026.30x = 201,039.45 × 81,451.90
  4. Step 4: Simplify right side
    134,026.30x = 16,375,045,177.46
  5. Step 5: Solve for x
    x = 16,375,045,177.46/134,026.30
  6. Step 6: Final answer
    x = 122,177.85

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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.