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Finding the Fourth Proportional to 165,234.60, 247,851.90 and 154,080.90

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Solution

The fourth proportional to 165,234.60, 247,851.90 and 154,080.90 is: 231,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,234.60 : 247,851.90 = 154,080.90 : x
  2. Step 2: Convert to fraction form
    165,234.60/247,851.90 = 154,080.90/x
  3. Step 3: Cross multiply
    165,234.60x = 247,851.90 × 154,080.90
  4. Step 4: Simplify right side
    165,234.60x = 38,189,243,818.71
  5. Step 5: Solve for x
    x = 38,189,243,818.71/165,234.60
  6. Step 6: Final answer
    x = 231,121.35

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1.5x scale

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.