Home / 161,972.96-223,473.06-93,966.32

Finding the Fourth Proportional to 161,972.96, 223,473.06 and 93,966.32

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Solution

The fourth proportional to 161,972.96, 223,473.06 and 93,966.32 is: 129,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,972.96 : 223,473.06 = 93,966.32 : x
  2. Step 2: Convert to fraction form
    161,972.96/223,473.06 = 93,966.32/x
  3. Step 3: Cross multiply
    161,972.96x = 223,473.06 × 93,966.32
  4. Step 4: Simplify right side
    161,972.96x = 20,998,941,067.34
  5. Step 5: Solve for x
    x = 20,998,941,067.34/161,972.96
  6. Step 6: Final answer
    x = 129,644.73

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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.