Home / 272,610.98-408,887.30-95,121.35

Finding the Fourth Proportional to 272,610.98, 408,887.30 and 95,121.35

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Solution

The fourth proportional to 272,610.98, 408,887.30 and 95,121.35 is: 142,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,610.98 : 408,887.30 = 95,121.35 : x
  2. Step 2: Convert to fraction form
    272,610.98/408,887.30 = 95,121.35/x
  3. Step 3: Cross multiply
    272,610.98x = 408,887.30 × 95,121.35
  4. Step 4: Simplify right side
    272,610.98x = 38,893,911,700.55
  5. Step 5: Solve for x
    x = 38,893,911,700.55/272,610.98
  6. Step 6: Final answer
    x = 142,671.85

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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.