Home / 72,719.04-109,099.44-60,180.96

Finding the Fourth Proportional to 72,719.04, 109,099.44 and 60,180.96

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Solution

The fourth proportional to 72,719.04, 109,099.44 and 60,180.96 is: 90,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,719.04 : 109,099.44 = 60,180.96 : x
  2. Step 2: Convert to fraction form
    72,719.04/109,099.44 = 60,180.96/x
  3. Step 3: Cross multiply
    72,719.04x = 109,099.44 × 60,180.96
  4. Step 4: Simplify right side
    72,719.04x = 6,565,709,034.66
  5. Step 5: Solve for x
    x = 6,565,709,034.66/72,719.04
  6. Step 6: Final answer
    x = 90,288.72

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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.