Home / 141,627.42-195,438.33-77,952.96

Finding the Fourth Proportional to 141,627.42, 195,438.33 and 77,952.96

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Solution

The fourth proportional to 141,627.42, 195,438.33 and 77,952.96 is: 107,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,627.42 : 195,438.33 = 77,952.96 : x
  2. Step 2: Convert to fraction form
    141,627.42/195,438.33 = 77,952.96/x
  3. Step 3: Cross multiply
    141,627.42x = 195,438.33 × 77,952.96
  4. Step 4: Simplify right side
    141,627.42x = 15,234,996,320.96
  5. Step 5: Solve for x
    x = 15,234,996,320.96/141,627.42
  6. Step 6: Final answer
    x = 107,570.95

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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.