Home / 127,846.20-176,415.12-71,251.50

Finding the Fourth Proportional to 127,846.20, 176,415.12 and 71,251.50

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Solution

The fourth proportional to 127,846.20, 176,415.12 and 71,251.50 is: 98,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,846.20 : 176,415.12 = 71,251.50 : x
  2. Step 2: Convert to fraction form
    127,846.20/176,415.12 = 71,251.50/x
  3. Step 3: Cross multiply
    127,846.20x = 176,415.12 × 71,251.50
  4. Step 4: Simplify right side
    127,846.20x = 12,569,841,922.68
  5. Step 5: Solve for x
    x = 12,569,841,922.68/127,846.20
  6. Step 6: Final answer
    x = 98,320.03

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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.