Home / 141,332.20-195,037.78-80,902.50

Finding the Fourth Proportional to 141,332.20, 195,037.78 and 80,902.50

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Solution

The fourth proportional to 141,332.20, 195,037.78 and 80,902.50 is: 111,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,332.20 : 195,037.78 = 80,902.50 : x
  2. Step 2: Convert to fraction form
    141,332.20/195,037.78 = 80,902.50/x
  3. Step 3: Cross multiply
    141,332.20x = 195,037.78 × 80,902.50
  4. Step 4: Simplify right side
    141,332.20x = 15,779,043,996.45
  5. Step 5: Solve for x
    x = 15,779,043,996.45/141,332.20
  6. Step 6: Final answer
    x = 111,645.07

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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.