Home / 79,141.28-118,723.68-22,981.88

Finding the Fourth Proportional to 79,141.28, 118,723.68 and 22,981.88

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Solution

The fourth proportional to 79,141.28, 118,723.68 and 22,981.88 is: 34,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,141.28 : 118,723.68 = 22,981.88 : x
  2. Step 2: Convert to fraction form
    79,141.28/118,723.68 = 22,981.88/x
  3. Step 3: Cross multiply
    79,141.28x = 118,723.68 × 22,981.88
  4. Step 4: Simplify right side
    79,141.28x = 2,728,493,366.92
  5. Step 5: Solve for x
    x = 2,728,493,366.92/79,141.28
  6. Step 6: Final answer
    x = 34,476.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.