Home / 226,581.17-312,721.16-131,140.49

Finding the Fourth Proportional to 226,581.17, 312,721.16 and 131,140.49

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Solution

The fourth proportional to 226,581.17, 312,721.16 and 131,140.49 is: 180,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,581.17 : 312,721.16 = 131,140.49 : x
  2. Step 2: Convert to fraction form
    226,581.17/312,721.16 = 131,140.49/x
  3. Step 3: Cross multiply
    226,581.17x = 312,721.16 × 131,140.49
  4. Step 4: Simplify right side
    226,581.17x = 41,010,403,936.46
  5. Step 5: Solve for x
    x = 41,010,403,936.46/226,581.17
  6. Step 6: Final answer
    x = 180,996.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.