Home / 160,399.53-221,348.67-88,778.04

Finding the Fourth Proportional to 160,399.53, 221,348.67 and 88,778.04

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Solution

The fourth proportional to 160,399.53, 221,348.67 and 88,778.04 is: 122,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,399.53 : 221,348.67 = 88,778.04 : x
  2. Step 2: Convert to fraction form
    160,399.53/221,348.67 = 88,778.04/x
  3. Step 3: Cross multiply
    160,399.53x = 221,348.67 × 88,778.04
  4. Step 4: Simplify right side
    160,399.53x = 19,650,901,079.21
  5. Step 5: Solve for x
    x = 19,650,901,079.21/160,399.53
  6. Step 6: Final answer
    x = 122,512.21

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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.