Home / 151,085.10-226,802.70-81,101.10

Finding the Fourth Proportional to 151,085.10, 226,802.70 and 81,101.10

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Solution

The fourth proportional to 151,085.10, 226,802.70 and 81,101.10 is: 121,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,085.10 : 226,802.70 = 81,101.10 : x
  2. Step 2: Convert to fraction form
    151,085.10/226,802.70 = 81,101.10/x
  3. Step 3: Cross multiply
    151,085.10x = 226,802.70 × 81,101.10
  4. Step 4: Simplify right side
    151,085.10x = 18,393,948,452.97
  5. Step 5: Solve for x
    x = 18,393,948,452.97/151,085.10
  6. Step 6: Final answer
    x = 121,745.62

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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.