Home / 179,620.20-269,430.30-135,005.40

Finding the Fourth Proportional to 179,620.20, 269,430.30 and 135,005.40

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Solution

The fourth proportional to 179,620.20, 269,430.30 and 135,005.40 is: 202,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,620.20 : 269,430.30 = 135,005.40 : x
  2. Step 2: Convert to fraction form
    179,620.20/269,430.30 = 135,005.40/x
  3. Step 3: Cross multiply
    179,620.20x = 269,430.30 × 135,005.40
  4. Step 4: Simplify right side
    179,620.20x = 36,374,545,423.62
  5. Step 5: Solve for x
    x = 36,374,545,423.62/179,620.20
  6. Step 6: Final answer
    x = 202,508.10

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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.