Home / 160,144.75-220,998.13-88,521.31

Finding the Fourth Proportional to 160,144.75, 220,998.13 and 88,521.31

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Solution

The fourth proportional to 160,144.75, 220,998.13 and 88,521.31 is: 122,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,144.75 : 220,998.13 = 88,521.31 : x
  2. Step 2: Convert to fraction form
    160,144.75/220,998.13 = 88,521.31/x
  3. Step 3: Cross multiply
    160,144.75x = 220,998.13 × 88,521.31
  4. Step 4: Simplify right side
    160,144.75x = 19,563,043,975.15
  5. Step 5: Solve for x
    x = 19,563,043,975.15/160,144.75
  6. Step 6: Final answer
    x = 122,158.51

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1.5x scale

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.