Home / 160,393.53-221,340.40-88,772.02

Finding the Fourth Proportional to 160,393.53, 221,340.40 and 88,772.02

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Solution

The fourth proportional to 160,393.53, 221,340.40 and 88,772.02 is: 122,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,393.53 : 221,340.40 = 88,772.02 : x
  2. Step 2: Convert to fraction form
    160,393.53/221,340.40 = 88,772.02/x
  3. Step 3: Cross multiply
    160,393.53x = 221,340.40 × 88,772.02
  4. Step 4: Simplify right side
    160,393.53x = 19,648,833,640.33
  5. Step 5: Solve for x
    x = 19,648,833,640.33/160,393.53
  6. Step 6: Final answer
    x = 122,503.90

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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.