Home / 261,822.14-361,319.37-145,546.55

Finding the Fourth Proportional to 261,822.14, 361,319.37 and 145,546.55

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Solution

The fourth proportional to 261,822.14, 361,319.37 and 145,546.55 is: 200,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,822.14 : 361,319.37 = 145,546.55 : x
  2. Step 2: Convert to fraction form
    261,822.14/361,319.37 = 145,546.55/x
  3. Step 3: Cross multiply
    261,822.14x = 361,319.37 × 145,546.55
  4. Step 4: Simplify right side
    261,822.14x = 52,588,787,751.67
  5. Step 5: Solve for x
    x = 52,588,787,751.67/261,822.14
  6. Step 6: Final answer
    x = 200,856.92

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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.