Home / 179,015.72-268,523.60-85,237.16

Finding the Fourth Proportional to 179,015.72, 268,523.60 and 85,237.16

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Solution

The fourth proportional to 179,015.72, 268,523.60 and 85,237.16 is: 127,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,015.72 : 268,523.60 = 85,237.16 : x
  2. Step 2: Convert to fraction form
    179,015.72/268,523.60 = 85,237.16/x
  3. Step 3: Cross multiply
    179,015.72x = 268,523.60 × 85,237.16
  4. Step 4: Simplify right side
    179,015.72x = 22,888,187,288.17
  5. Step 5: Solve for x
    x = 22,888,187,288.17/179,015.72
  6. Step 6: Final answer
    x = 127,855.74

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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.