Home / 220,821.96-304,792.56-136,010.10

Finding the Fourth Proportional to 220,821.96, 304,792.56 and 136,010.10

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Solution

The fourth proportional to 220,821.96, 304,792.56 and 136,010.10 is: 187,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,821.96 : 304,792.56 = 136,010.10 : x
  2. Step 2: Convert to fraction form
    220,821.96/304,792.56 = 136,010.10/x
  3. Step 3: Cross multiply
    220,821.96x = 304,792.56 × 136,010.10
  4. Step 4: Simplify right side
    220,821.96x = 41,454,866,564.86
  5. Step 5: Solve for x
    x = 41,454,866,564.86/220,821.96
  6. Step 6: Final answer
    x = 187,729.82

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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.