Home / 141,703.28-195,550.76-78,041.24

Finding the Fourth Proportional to 141,703.28, 195,550.76 and 78,041.24

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Solution

The fourth proportional to 141,703.28, 195,550.76 and 78,041.24 is: 107,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,703.28 : 195,550.76 = 78,041.24 : x
  2. Step 2: Convert to fraction form
    141,703.28/195,550.76 = 78,041.24/x
  3. Step 3: Cross multiply
    141,703.28x = 195,550.76 × 78,041.24
  4. Step 4: Simplify right side
    141,703.28x = 15,261,023,793.34
  5. Step 5: Solve for x
    x = 15,261,023,793.34/141,703.28
  6. Step 6: Final answer
    x = 107,697.04

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1.5x scale

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.