Home / 108,943.29-163,373.42-42,375.47

Finding the Fourth Proportional to 108,943.29, 163,373.42 and 42,375.47

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Solution

The fourth proportional to 108,943.29, 163,373.42 and 42,375.47 is: 63,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.29 : 163,373.42 = 42,375.47 : x
  2. Step 2: Convert to fraction form
    108,943.29/163,373.42 = 42,375.47/x
  3. Step 3: Cross multiply
    108,943.29x = 163,373.42 × 42,375.47
  4. Step 4: Simplify right side
    108,943.29x = 6,923,024,747.08
  5. Step 5: Solve for x
    x = 6,923,024,747.08/108,943.29
  6. Step 6: Final answer
    x = 63,547.05

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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.