Home / 179,601-269,402.85-79,734.35

Finding the Fourth Proportional to 179,601, 269,402.85 and 79,734.35

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Solution

The fourth proportional to 179,601, 269,402.85 and 79,734.35 is: 119,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,601 : 269,402.85 = 79,734.35 : x
  2. Step 2: Convert to fraction form
    179,601/269,402.85 = 79,734.35/x
  3. Step 3: Cross multiply
    179,601x = 269,402.85 × 79,734.35
  4. Step 4: Simplify right side
    179,601x = 21,480,661,132.90
  5. Step 5: Solve for x
    x = 21,480,661,132.90/179,601
  6. Step 6: Final answer
    x = 119,602.12

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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.