Home / 161,934.80-223,470.41-90,319.46

Finding the Fourth Proportional to 161,934.80, 223,470.41 and 90,319.46

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Solution

The fourth proportional to 161,934.80, 223,470.41 and 90,319.46 is: 124,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,934.80 : 223,470.41 = 90,319.46 : x
  2. Step 2: Convert to fraction form
    161,934.80/223,470.41 = 90,319.46/x
  3. Step 3: Cross multiply
    161,934.80x = 223,470.41 × 90,319.46
  4. Step 4: Simplify right side
    161,934.80x = 20,183,725,188.23
  5. Step 5: Solve for x
    x = 20,183,725,188.23/161,934.80
  6. Step 6: Final answer
    x = 124,641.06

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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.