Home / 138,052.24-207,030.56-66,933.52

Finding the Fourth Proportional to 138,052.24, 207,030.56 and 66,933.52

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Solution

The fourth proportional to 138,052.24, 207,030.56 and 66,933.52 is: 100,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,052.24 : 207,030.56 = 66,933.52 : x
  2. Step 2: Convert to fraction form
    138,052.24/207,030.56 = 66,933.52/x
  3. Step 3: Cross multiply
    138,052.24x = 207,030.56 × 66,933.52
  4. Step 4: Simplify right side
    138,052.24x = 13,857,284,128.37
  5. Step 5: Solve for x
    x = 13,857,284,128.37/138,052.24
  6. Step 6: Final answer
    x = 100,377.10

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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.