Home / 194,472.20-291,125.10-115,545.80

Finding the Fourth Proportional to 194,472.20, 291,125.10 and 115,545.80

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Solution

The fourth proportional to 194,472.20, 291,125.10 and 115,545.80 is: 172,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,472.20 : 291,125.10 = 115,545.80 : x
  2. Step 2: Convert to fraction form
    194,472.20/291,125.10 = 115,545.80/x
  3. Step 3: Cross multiply
    194,472.20x = 291,125.10 × 115,545.80
  4. Step 4: Simplify right side
    194,472.20x = 33,638,282,579.58
  5. Step 5: Solve for x
    x = 33,638,282,579.58/194,472.20
  6. Step 6: Final answer
    x = 172,972.19

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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.