Home / 138,360.41-207,519.96-38,510.19

Finding the Fourth Proportional to 138,360.41, 207,519.96 and 38,510.19

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Solution

The fourth proportional to 138,360.41, 207,519.96 and 38,510.19 is: 57,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,360.41 : 207,519.96 = 38,510.19 : x
  2. Step 2: Convert to fraction form
    138,360.41/207,519.96 = 38,510.19/x
  3. Step 3: Cross multiply
    138,360.41x = 207,519.96 × 38,510.19
  4. Step 4: Simplify right side
    138,360.41x = 7,991,633,088.39
  5. Step 5: Solve for x
    x = 7,991,633,088.39/138,360.41
  6. Step 6: Final answer
    x = 57,759.54

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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.