Home / 138,065.06-207,074.52-38,235.33

Finding the Fourth Proportional to 138,065.06, 207,074.52 and 38,235.33

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Solution

The fourth proportional to 138,065.06, 207,074.52 and 38,235.33 is: 57,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,065.06 : 207,074.52 = 38,235.33 : x
  2. Step 2: Convert to fraction form
    138,065.06/207,074.52 = 38,235.33/x
  3. Step 3: Cross multiply
    138,065.06x = 207,074.52 × 38,235.33
  4. Step 4: Simplify right side
    138,065.06x = 7,917,562,606.79
  5. Step 5: Solve for x
    x = 7,917,562,606.79/138,065.06
  6. Step 6: Final answer
    x = 57,346.61

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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.