Home / 160,400.97-221,346.38-88,776.72

Finding the Fourth Proportional to 160,400.97, 221,346.38 and 88,776.72

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Solution

The fourth proportional to 160,400.97, 221,346.38 and 88,776.72 is: 122,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.97 : 221,346.38 = 88,776.72 : x
  2. Step 2: Convert to fraction form
    160,400.97/221,346.38 = 88,776.72/x
  3. Step 3: Cross multiply
    160,400.97x = 221,346.38 × 88,776.72
  4. Step 4: Simplify right side
    160,400.97x = 19,650,405,600.27
  5. Step 5: Solve for x
    x = 19,650,405,600.27/160,400.97
  6. Step 6: Final answer
    x = 122,508.02

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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.