Home / 160,129.58-220,987.44-88,516.26

Finding the Fourth Proportional to 160,129.58, 220,987.44 and 88,516.26

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Solution

The fourth proportional to 160,129.58, 220,987.44 and 88,516.26 is: 122,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,129.58 : 220,987.44 = 88,516.26 : x
  2. Step 2: Convert to fraction form
    160,129.58/220,987.44 = 88,516.26/x
  3. Step 3: Cross multiply
    160,129.58x = 220,987.44 × 88,516.26
  4. Step 4: Simplify right side
    160,129.58x = 19,560,981,695.77
  5. Step 5: Solve for x
    x = 19,560,981,695.77/160,129.58
  6. Step 6: Final answer
    x = 122,157.21

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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.