Home / 160,518.42-221,517.27-88,899.66

Finding the Fourth Proportional to 160,518.42, 221,517.27 and 88,899.66

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Solution

The fourth proportional to 160,518.42, 221,517.27 and 88,899.66 is: 122,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,518.42 : 221,517.27 = 88,899.66 : x
  2. Step 2: Convert to fraction form
    160,518.42/221,517.27 = 88,899.66/x
  3. Step 3: Cross multiply
    160,518.42x = 221,517.27 × 88,899.66
  4. Step 4: Simplify right side
    160,518.42x = 19,692,809,987.13
  5. Step 5: Solve for x
    x = 19,692,809,987.13/160,518.42
  6. Step 6: Final answer
    x = 122,682.56

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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.