Home / 141,849.60-195,717.12-91,488

Finding the Fourth Proportional to 141,849.60, 195,717.12 and 91,488

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Solution

The fourth proportional to 141,849.60, 195,717.12 and 91,488 is: 126,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,849.60 : 195,717.12 = 91,488 : x
  2. Step 2: Convert to fraction form
    141,849.60/195,717.12 = 91,488/x
  3. Step 3: Cross multiply
    141,849.60x = 195,717.12 × 91,488
  4. Step 4: Simplify right side
    141,849.60x = 17,905,767,874.56
  5. Step 5: Solve for x
    x = 17,905,767,874.56/141,849.60
  6. Step 6: Final answer
    x = 126,230.65

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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.