Home / 168,742.20-253,113.30-146,191.80

Finding the Fourth Proportional to 168,742.20, 253,113.30 and 146,191.80

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Solution

The fourth proportional to 168,742.20, 253,113.30 and 146,191.80 is: 219,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,742.20 : 253,113.30 = 146,191.80 : x
  2. Step 2: Convert to fraction form
    168,742.20/253,113.30 = 146,191.80/x
  3. Step 3: Cross multiply
    168,742.20x = 253,113.30 × 146,191.80
  4. Step 4: Simplify right side
    168,742.20x = 37,003,088,930.94
  5. Step 5: Solve for x
    x = 37,003,088,930.94/168,742.20
  6. Step 6: Final answer
    x = 219,287.70

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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.