Home / 141,988.33-195,944.45-77,458.95

Finding the Fourth Proportional to 141,988.33, 195,944.45 and 77,458.95

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Solution

The fourth proportional to 141,988.33, 195,944.45 and 77,458.95 is: 106,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,988.33 : 195,944.45 = 77,458.95 : x
  2. Step 2: Convert to fraction form
    141,988.33/195,944.45 = 77,458.95/x
  3. Step 3: Cross multiply
    141,988.33x = 195,944.45 × 77,458.95
  4. Step 4: Simplify right side
    141,988.33x = 15,177,650,903.88
  5. Step 5: Solve for x
    x = 15,177,650,903.88/141,988.33
  6. Step 6: Final answer
    x = 106,893.65

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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.