Home / 138,023.88-207,012.33-44,529.63

Finding the Fourth Proportional to 138,023.88, 207,012.33 and 44,529.63

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Solution

The fourth proportional to 138,023.88, 207,012.33 and 44,529.63 is: 66,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,023.88 : 207,012.33 = 44,529.63 : x
  2. Step 2: Convert to fraction form
    138,023.88/207,012.33 = 44,529.63/x
  3. Step 3: Cross multiply
    138,023.88x = 207,012.33 × 44,529.63
  4. Step 4: Simplify right side
    138,023.88x = 9,218,182,460.34
  5. Step 5: Solve for x
    x = 9,218,182,460.34/138,023.88
  6. Step 6: Final answer
    x = 66,786.87

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1.5x scale

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.