Home / 138,096.35-207,144.53-43,341.15

Finding the Fourth Proportional to 138,096.35, 207,144.53 and 43,341.15

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Solution

The fourth proportional to 138,096.35, 207,144.53 and 43,341.15 is: 65,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,096.35 : 207,144.53 = 43,341.15 : x
  2. Step 2: Convert to fraction form
    138,096.35/207,144.53 = 43,341.15/x
  3. Step 3: Cross multiply
    138,096.35x = 207,144.53 × 43,341.15
  4. Step 4: Simplify right side
    138,096.35x = 8,977,882,254.76
  5. Step 5: Solve for x
    x = 8,977,882,254.76/138,096.35
  6. Step 6: Final answer
    x = 65,011.73

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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.