Home / 165,000.20-247,208.70-154,502.60

Finding the Fourth Proportional to 165,000.20, 247,208.70 and 154,502.60

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Solution

The fourth proportional to 165,000.20, 247,208.70 and 154,502.60 is: 231,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,000.20 : 247,208.70 = 154,502.60 : x
  2. Step 2: Convert to fraction form
    165,000.20/247,208.70 = 154,502.60/x
  3. Step 3: Cross multiply
    165,000.20x = 247,208.70 × 154,502.60
  4. Step 4: Simplify right side
    165,000.20x = 38,194,386,892.62
  5. Step 5: Solve for x
    x = 38,194,386,892.62/165,000.20
  6. Step 6: Final answer
    x = 231,480.85

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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.