Home / 148,731.91-222,908.32-69,671.86

Finding the Fourth Proportional to 148,731.91, 222,908.32 and 69,671.86

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Solution

The fourth proportional to 148,731.91, 222,908.32 and 69,671.86 is: 104,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,731.91 : 222,908.32 = 69,671.86 : x
  2. Step 2: Convert to fraction form
    148,731.91/222,908.32 = 69,671.86/x
  3. Step 3: Cross multiply
    148,731.91x = 222,908.32 × 69,671.86
  4. Step 4: Simplify right side
    148,731.91x = 15,530,436,793.69
  5. Step 5: Solve for x
    x = 15,530,436,793.69/148,731.91
  6. Step 6: Final answer
    x = 104,419.00

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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.