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Finding the Fourth Proportional to 161,373.57, 222,542.68 and 103,248.70

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Solution

The fourth proportional to 161,373.57, 222,542.68 and 103,248.70 is: 142,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,373.57 : 222,542.68 = 103,248.70 : x
  2. Step 2: Convert to fraction form
    161,373.57/222,542.68 = 103,248.70/x
  3. Step 3: Cross multiply
    161,373.57x = 222,542.68 × 103,248.70
  4. Step 4: Simplify right side
    161,373.57x = 22,977,242,404.52
  5. Step 5: Solve for x
    x = 22,977,242,404.52/161,373.57
  6. Step 6: Final answer
    x = 142,385.41

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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.