Home / 132,787.65-199,160.83-72,845.63

Finding the Fourth Proportional to 132,787.65, 199,160.83 and 72,845.63

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Solution

The fourth proportional to 132,787.65, 199,160.83 and 72,845.63 is: 109,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,787.65 : 199,160.83 = 72,845.63 : x
  2. Step 2: Convert to fraction form
    132,787.65/199,160.83 = 72,845.63/x
  3. Step 3: Cross multiply
    132,787.65x = 199,160.83 × 72,845.63
  4. Step 4: Simplify right side
    132,787.65x = 14,507,995,565.02
  5. Step 5: Solve for x
    x = 14,507,995,565.02/132,787.65
  6. Step 6: Final answer
    x = 109,257.11

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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.