Home / 113,114.91-169,644.33-38,233.40

Finding the Fourth Proportional to 113,114.91, 169,644.33 and 38,233.40

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Solution

The fourth proportional to 113,114.91, 169,644.33 and 38,233.40 is: 57,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,114.91 : 169,644.33 = 38,233.40 : x
  2. Step 2: Convert to fraction form
    113,114.91/169,644.33 = 38,233.40/x
  3. Step 3: Cross multiply
    113,114.91x = 169,644.33 × 38,233.40
  4. Step 4: Simplify right side
    113,114.91x = 6,486,078,678.40
  5. Step 5: Solve for x
    x = 6,486,078,678.40/113,114.91
  6. Step 6: Final answer
    x = 57,340.62

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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.