Home / 168,278.20-252,110.10-102,537.40

Finding the Fourth Proportional to 168,278.20, 252,110.10 and 102,537.40

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Solution

The fourth proportional to 168,278.20, 252,110.10 and 102,537.40 is: 153,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,278.20 : 252,110.10 = 102,537.40 : x
  2. Step 2: Convert to fraction form
    168,278.20/252,110.10 = 102,537.40/x
  3. Step 3: Cross multiply
    168,278.20x = 252,110.10 × 102,537.40
  4. Step 4: Simplify right side
    168,278.20x = 25,850,714,167.74
  5. Step 5: Solve for x
    x = 25,850,714,167.74/168,278.20
  6. Step 6: Final answer
    x = 153,618.91

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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.