Home / 108,891.25-163,398.98-42,322.71

Finding the Fourth Proportional to 108,891.25, 163,398.98 and 42,322.71

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Solution

The fourth proportional to 108,891.25, 163,398.98 and 42,322.71 is: 63,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,891.25 : 163,398.98 = 42,322.71 : x
  2. Step 2: Convert to fraction form
    108,891.25/163,398.98 = 42,322.71/x
  3. Step 3: Cross multiply
    108,891.25x = 163,398.98 × 42,322.71
  4. Step 4: Simplify right side
    108,891.25x = 6,915,486,616.23
  5. Step 5: Solve for x
    x = 6,915,486,616.23/108,891.25
  6. Step 6: Final answer
    x = 63,508.19

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1.5x scale

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.