Home / 272,134.40-408,006.50-127,959.52

Finding the Fourth Proportional to 272,134.40, 408,006.50 and 127,959.52

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Solution

The fourth proportional to 272,134.40, 408,006.50 and 127,959.52 is: 191,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,134.40 : 408,006.50 = 127,959.52 : x
  2. Step 2: Convert to fraction form
    272,134.40/408,006.50 = 127,959.52/x
  3. Step 3: Cross multiply
    272,134.40x = 408,006.50 × 127,959.52
  4. Step 4: Simplify right side
    272,134.40x = 52,208,315,896.88
  5. Step 5: Solve for x
    x = 52,208,315,896.88/272,134.40
  6. Step 6: Final answer
    x = 191,847.54

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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.