Home / 141,377.82-195,101.60-77,716.01

Finding the Fourth Proportional to 141,377.82, 195,101.60 and 77,716.01

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Solution

The fourth proportional to 141,377.82, 195,101.60 and 77,716.01 is: 107,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,377.82 : 195,101.60 = 77,716.01 : x
  2. Step 2: Convert to fraction form
    141,377.82/195,101.60 = 77,716.01/x
  3. Step 3: Cross multiply
    141,377.82x = 195,101.60 × 77,716.01
  4. Step 4: Simplify right side
    141,377.82x = 15,162,516,921.11
  5. Step 5: Solve for x
    x = 15,162,516,921.11/141,377.82
  6. Step 6: Final answer
    x = 107,248.20

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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.