Home / 138,660.16-207,941.58-38,793.52

Finding the Fourth Proportional to 138,660.16, 207,941.58 and 38,793.52

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Solution

The fourth proportional to 138,660.16, 207,941.58 and 38,793.52 is: 58,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,660.16 : 207,941.58 = 38,793.52 : x
  2. Step 2: Convert to fraction form
    138,660.16/207,941.58 = 38,793.52/x
  3. Step 3: Cross multiply
    138,660.16x = 207,941.58 × 38,793.52
  4. Step 4: Simplify right side
    138,660.16x = 8,066,785,842.56
  5. Step 5: Solve for x
    x = 8,066,785,842.56/138,660.16
  6. Step 6: Final answer
    x = 58,176.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.