Home / 141,534.24-195,311.76-77,870.88

Finding the Fourth Proportional to 141,534.24, 195,311.76 and 77,870.88

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Solution

The fourth proportional to 141,534.24, 195,311.76 and 77,870.88 is: 107,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,534.24 : 195,311.76 = 77,870.88 : x
  2. Step 2: Convert to fraction form
    141,534.24/195,311.76 = 77,870.88/x
  3. Step 3: Cross multiply
    141,534.24x = 195,311.76 × 77,870.88
  4. Step 4: Simplify right side
    141,534.24x = 15,209,098,625.55
  5. Step 5: Solve for x
    x = 15,209,098,625.55/141,534.24
  6. Step 6: Final answer
    x = 107,458.79

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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.