Home / 138,306.36-207,407.34-44,787

Finding the Fourth Proportional to 138,306.36, 207,407.34 and 44,787

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Solution

The fourth proportional to 138,306.36, 207,407.34 and 44,787 is: 67,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,306.36 : 207,407.34 = 44,787 : x
  2. Step 2: Convert to fraction form
    138,306.36/207,407.34 = 44,787/x
  3. Step 3: Cross multiply
    138,306.36x = 207,407.34 × 44,787
  4. Step 4: Simplify right side
    138,306.36x = 9,289,152,536.58
  5. Step 5: Solve for x
    x = 9,289,152,536.58/138,306.36
  6. Step 6: Final answer
    x = 67,163.60

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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.