Home / 138,026.11-207,039.18-43,256.26

Finding the Fourth Proportional to 138,026.11, 207,039.18 and 43,256.26

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Solution

The fourth proportional to 138,026.11, 207,039.18 and 43,256.26 is: 64,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,026.11 : 207,039.18 = 43,256.26 : x
  2. Step 2: Convert to fraction form
    138,026.11/207,039.18 = 43,256.26/x
  3. Step 3: Cross multiply
    138,026.11x = 207,039.18 × 43,256.26
  4. Step 4: Simplify right side
    138,026.11x = 8,955,740,600.27
  5. Step 5: Solve for x
    x = 8,955,740,600.27/138,026.11
  6. Step 6: Final answer
    x = 64,884.39

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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.