Home / 161,732.80-223,207.68-90,124.48

Finding the Fourth Proportional to 161,732.80, 223,207.68 and 90,124.48

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Solution

The fourth proportional to 161,732.80, 223,207.68 and 90,124.48 is: 124,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,732.80 : 223,207.68 = 90,124.48 : x
  2. Step 2: Convert to fraction form
    161,732.80/223,207.68 = 90,124.48/x
  3. Step 3: Cross multiply
    161,732.80x = 223,207.68 × 90,124.48
  4. Step 4: Simplify right side
    161,732.80x = 20,116,476,092.01
  5. Step 5: Solve for x
    x = 20,116,476,092.01/161,732.80
  6. Step 6: Final answer
    x = 124,380.93

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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.