Home / 108,578.28-162,841.20-45,364.24

Finding the Fourth Proportional to 108,578.28, 162,841.20 and 45,364.24

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Solution

The fourth proportional to 108,578.28, 162,841.20 and 45,364.24 is: 68,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,578.28 : 162,841.20 = 45,364.24 : x
  2. Step 2: Convert to fraction form
    108,578.28/162,841.20 = 45,364.24/x
  3. Step 3: Cross multiply
    108,578.28x = 162,841.20 × 45,364.24
  4. Step 4: Simplify right side
    108,578.28x = 7,387,167,278.69
  5. Step 5: Solve for x
    x = 7,387,167,278.69/108,578.28
  6. Step 6: Final answer
    x = 68,035.41

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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.