Home / 145,309.73-217,875.29-50,517.86

Finding the Fourth Proportional to 145,309.73, 217,875.29 and 50,517.86

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Solution

The fourth proportional to 145,309.73, 217,875.29 and 50,517.86 is: 75,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,309.73 : 217,875.29 = 50,517.86 : x
  2. Step 2: Convert to fraction form
    145,309.73/217,875.29 = 50,517.86/x
  3. Step 3: Cross multiply
    145,309.73x = 217,875.29 × 50,517.86
  4. Step 4: Simplify right side
    145,309.73x = 11,006,592,872.75
  5. Step 5: Solve for x
    x = 11,006,592,872.75/145,309.73
  6. Step 6: Final answer
    x = 75,745.74

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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.