Home / 186,269.10-279,471.24-115,108.80

Finding the Fourth Proportional to 186,269.10, 279,471.24 and 115,108.80

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Solution

The fourth proportional to 186,269.10, 279,471.24 and 115,108.80 is: 172,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,269.10 : 279,471.24 = 115,108.80 : x
  2. Step 2: Convert to fraction form
    186,269.10/279,471.24 = 115,108.80/x
  3. Step 3: Cross multiply
    186,269.10x = 279,471.24 × 115,108.80
  4. Step 4: Simplify right side
    186,269.10x = 32,169,599,070.91
  5. Step 5: Solve for x
    x = 32,169,599,070.91/186,269.10
  6. Step 6: Final answer
    x = 172,704.97

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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.