Home / 161,654.62-223,074.55-89,043.28

Finding the Fourth Proportional to 161,654.62, 223,074.55 and 89,043.28

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Solution

The fourth proportional to 161,654.62, 223,074.55 and 89,043.28 is: 122,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,654.62 : 223,074.55 = 89,043.28 : x
  2. Step 2: Convert to fraction form
    161,654.62/223,074.55 = 89,043.28/x
  3. Step 3: Cross multiply
    161,654.62x = 223,074.55 × 89,043.28
  4. Step 4: Simplify right side
    161,654.62x = 19,863,289,616.52
  5. Step 5: Solve for x
    x = 19,863,289,616.52/161,654.62
  6. Step 6: Final answer
    x = 122,874.87

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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.