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Finding the Fourth Proportional to 143,793.24, 215,719.02 and 50,364.60

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Solution

The fourth proportional to 143,793.24, 215,719.02 and 50,364.60 is: 75,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,793.24 : 215,719.02 = 50,364.60 : x
  2. Step 2: Convert to fraction form
    143,793.24/215,719.02 = 50,364.60/x
  3. Step 3: Cross multiply
    143,793.24x = 215,719.02 × 50,364.60
  4. Step 4: Simplify right side
    143,793.24x = 10,864,602,154.69
  5. Step 5: Solve for x
    x = 10,864,602,154.69/143,793.24
  6. Step 6: Final answer
    x = 75,557.11

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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.