Home / 141,561.60-195,350.04-77,897.76

Finding the Fourth Proportional to 141,561.60, 195,350.04 and 77,897.76

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Solution

The fourth proportional to 141,561.60, 195,350.04 and 77,897.76 is: 107,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,561.60 : 195,350.04 = 77,897.76 : x
  2. Step 2: Convert to fraction form
    141,561.60/195,350.04 = 77,897.76/x
  3. Step 3: Cross multiply
    141,561.60x = 195,350.04 × 77,897.76
  4. Step 4: Simplify right side
    141,561.60x = 15,217,330,531.91
  5. Step 5: Solve for x
    x = 15,217,330,531.91/141,561.60
  6. Step 6: Final answer
    x = 107,496.18

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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.