Home / 141,811.47-195,697.29-77,281.29

Finding the Fourth Proportional to 141,811.47, 195,697.29 and 77,281.29

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Solution

The fourth proportional to 141,811.47, 195,697.29 and 77,281.29 is: 106,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.47 : 195,697.29 = 77,281.29 : x
  2. Step 2: Convert to fraction form
    141,811.47/195,697.29 = 77,281.29/x
  3. Step 3: Cross multiply
    141,811.47x = 195,697.29 × 77,281.29
  4. Step 4: Simplify right side
    141,811.47x = 15,123,739,020.70
  5. Step 5: Solve for x
    x = 15,123,739,020.70/141,811.47
  6. Step 6: Final answer
    x = 106,646.80

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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.