Home / 179,440.29-269,146.30-78,235.95

Finding the Fourth Proportional to 179,440.29, 269,146.30 and 78,235.95

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Solution

The fourth proportional to 179,440.29, 269,146.30 and 78,235.95 is: 117,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,440.29 : 269,146.30 = 78,235.95 : x
  2. Step 2: Convert to fraction form
    179,440.29/269,146.30 = 78,235.95/x
  3. Step 3: Cross multiply
    179,440.29x = 269,146.30 × 78,235.95
  4. Step 4: Simplify right side
    179,440.29x = 21,056,916,273.90
  5. Step 5: Solve for x
    x = 21,056,916,273.90/179,440.29
  6. Step 6: Final answer
    x = 117,347.76

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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.