Home / 141,532.32-195,307.38-77,876.04

Finding the Fourth Proportional to 141,532.32, 195,307.38 and 77,876.04

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Solution

The fourth proportional to 141,532.32, 195,307.38 and 77,876.04 is: 107,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,532.32 : 195,307.38 = 77,876.04 : x
  2. Step 2: Convert to fraction form
    141,532.32/195,307.38 = 77,876.04/x
  3. Step 3: Cross multiply
    141,532.32x = 195,307.38 × 77,876.04
  4. Step 4: Simplify right side
    141,532.32x = 15,209,765,337.18
  5. Step 5: Solve for x
    x = 15,209,765,337.18/141,532.32
  6. Step 6: Final answer
    x = 107,464.96

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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.