Home / 179,612.20-269,450.70-90,641.80

Finding the Fourth Proportional to 179,612.20, 269,450.70 and 90,641.80

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Solution

The fourth proportional to 179,612.20, 269,450.70 and 90,641.80 is: 135,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,612.20 : 269,450.70 = 90,641.80 : x
  2. Step 2: Convert to fraction form
    179,612.20/269,450.70 = 90,641.80/x
  3. Step 3: Cross multiply
    179,612.20x = 269,450.70 × 90,641.80
  4. Step 4: Simplify right side
    179,612.20x = 24,423,496,459.26
  5. Step 5: Solve for x
    x = 24,423,496,459.26/179,612.20
  6. Step 6: Final answer
    x = 135,979.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.