Home / 141,811.31-195,697.08-77,281.11

Finding the Fourth Proportional to 141,811.31, 195,697.08 and 77,281.11

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Solution

The fourth proportional to 141,811.31, 195,697.08 and 77,281.11 is: 106,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.31 : 195,697.08 = 77,281.11 : x
  2. Step 2: Convert to fraction form
    141,811.31/195,697.08 = 77,281.11/x
  3. Step 3: Cross multiply
    141,811.31x = 195,697.08 × 77,281.11
  4. Step 4: Simplify right side
    141,811.31x = 15,123,687,566.16
  5. Step 5: Solve for x
    x = 15,123,687,566.16/141,811.31
  6. Step 6: Final answer
    x = 106,646.55

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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.