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Finding the Fourth Proportional to 189,375.93, 261,330.03 and 108,746.73

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Solution

The fourth proportional to 189,375.93, 261,330.03 and 108,746.73 is: 150,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,375.93 : 261,330.03 = 108,746.73 : x
  2. Step 2: Convert to fraction form
    189,375.93/261,330.03 = 108,746.73/x
  3. Step 3: Cross multiply
    189,375.93x = 261,330.03 × 108,746.73
  4. Step 4: Simplify right side
    189,375.93x = 28,418,786,213.30
  5. Step 5: Solve for x
    x = 28,418,786,213.30/189,375.93
  6. Step 6: Final answer
    x = 150,065.46

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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.