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Finding the Fourth Proportional to 168,363.80, 232,371.68 and 100,384.95

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Solution

The fourth proportional to 168,363.80, 232,371.68 and 100,384.95 is: 138,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,363.80 : 232,371.68 = 100,384.95 : x
  2. Step 2: Convert to fraction form
    168,363.80/232,371.68 = 100,384.95/x
  3. Step 3: Cross multiply
    168,363.80x = 232,371.68 × 100,384.95
  4. Step 4: Simplify right side
    168,363.80x = 23,326,619,478.22
  5. Step 5: Solve for x
    x = 23,326,619,478.22/168,363.80
  6. Step 6: Final answer
    x = 138,548.90

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1.5x scale

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.