Home / 138,027.50-207,041.57-41,965.56

Finding the Fourth Proportional to 138,027.50, 207,041.57 and 41,965.56

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Solution

The fourth proportional to 138,027.50, 207,041.57 and 41,965.56 is: 62,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,027.50 : 207,041.57 = 41,965.56 : x
  2. Step 2: Convert to fraction form
    138,027.50/207,041.57 = 41,965.56/x
  3. Step 3: Cross multiply
    138,027.50x = 207,041.57 × 41,965.56
  4. Step 4: Simplify right side
    138,027.50x = 8,688,615,428.33
  5. Step 5: Solve for x
    x = 8,688,615,428.33/138,027.50
  6. Step 6: Final answer
    x = 62,948.44

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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.