Home / 159,651.20-220,307.38-88,029.69

Finding the Fourth Proportional to 159,651.20, 220,307.38 and 88,029.69

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Solution

The fourth proportional to 159,651.20, 220,307.38 and 88,029.69 is: 121,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,651.20 : 220,307.38 = 88,029.69 : x
  2. Step 2: Convert to fraction form
    159,651.20/220,307.38 = 88,029.69/x
  3. Step 3: Cross multiply
    159,651.20x = 220,307.38 × 88,029.69
  4. Step 4: Simplify right side
    159,651.20x = 19,393,590,366.11
  5. Step 5: Solve for x
    x = 19,393,590,366.11/159,651.20
  6. Step 6: Final answer
    x = 121,474.75

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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.