Home / 141,821.64-195,711.22-77,291.41

Finding the Fourth Proportional to 141,821.64, 195,711.22 and 77,291.41

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Solution

The fourth proportional to 141,821.64, 195,711.22 and 77,291.41 is: 106,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821.64 : 195,711.22 = 77,291.41 : x
  2. Step 2: Convert to fraction form
    141,821.64/195,711.22 = 77,291.41/x
  3. Step 3: Cross multiply
    141,821.64x = 195,711.22 × 77,291.41
  4. Step 4: Simplify right side
    141,821.64x = 15,126,794,781.61
  5. Step 5: Solve for x
    x = 15,126,794,781.61/141,821.64
  6. Step 6: Final answer
    x = 106,660.70

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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.