Home / 188,512.18-260,146.84-107,966.42

Finding the Fourth Proportional to 188,512.18, 260,146.84 and 107,966.42

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Solution

The fourth proportional to 188,512.18, 260,146.84 and 107,966.42 is: 148,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,512.18 : 260,146.84 = 107,966.42 : x
  2. Step 2: Convert to fraction form
    188,512.18/260,146.84 = 107,966.42/x
  3. Step 3: Cross multiply
    188,512.18x = 260,146.84 × 107,966.42
  4. Step 4: Simplify right side
    188,512.18x = 28,087,122,989.11
  5. Step 5: Solve for x
    x = 28,087,122,989.11/188,512.18
  6. Step 6: Final answer
    x = 148,993.68

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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.