Home / 161,686.48-223,047.12-108,043.42

Finding the Fourth Proportional to 161,686.48, 223,047.12 and 108,043.42

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Solution

The fourth proportional to 161,686.48, 223,047.12 and 108,043.42 is: 149,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,686.48 : 223,047.12 = 108,043.42 : x
  2. Step 2: Convert to fraction form
    161,686.48/223,047.12 = 108,043.42/x
  3. Step 3: Cross multiply
    161,686.48x = 223,047.12 × 108,043.42
  4. Step 4: Simplify right side
    161,686.48x = 24,098,773,665.95
  5. Step 5: Solve for x
    x = 24,098,773,665.95/161,686.48
  6. Step 6: Final answer
    x = 149,046.31

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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.