Home / 131,787.91-197,606.10-40,579.66

Finding the Fourth Proportional to 131,787.91, 197,606.10 and 40,579.66

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Solution

The fourth proportional to 131,787.91, 197,606.10 and 40,579.66 is: 60,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,787.91 : 197,606.10 = 40,579.66 : x
  2. Step 2: Convert to fraction form
    131,787.91/197,606.10 = 40,579.66/x
  3. Step 3: Cross multiply
    131,787.91x = 197,606.10 × 40,579.66
  4. Step 4: Simplify right side
    131,787.91x = 8,018,788,351.93
  5. Step 5: Solve for x
    x = 8,018,788,351.93/131,787.91
  6. Step 6: Final answer
    x = 60,846.16

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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.