Home / 261,910.56-361,439.10-148,734.12

Finding the Fourth Proportional to 261,910.56, 361,439.10 and 148,734.12

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Solution

The fourth proportional to 261,910.56, 361,439.10 and 148,734.12 is: 205,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,910.56 : 361,439.10 = 148,734.12 : x
  2. Step 2: Convert to fraction form
    261,910.56/361,439.10 = 148,734.12/x
  3. Step 3: Cross multiply
    261,910.56x = 361,439.10 × 148,734.12
  4. Step 4: Simplify right side
    261,910.56x = 53,758,326,472.09
  5. Step 5: Solve for x
    x = 53,758,326,472.09/261,910.56
  6. Step 6: Final answer
    x = 205,254.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.