Home / 247,120.47-341,022.56-139,686.73

Finding the Fourth Proportional to 247,120.47, 341,022.56 and 139,686.73

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Solution

The fourth proportional to 247,120.47, 341,022.56 and 139,686.73 is: 192,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,120.47 : 341,022.56 = 139,686.73 : x
  2. Step 2: Convert to fraction form
    247,120.47/341,022.56 = 139,686.73/x
  3. Step 3: Cross multiply
    247,120.47x = 341,022.56 × 139,686.73
  4. Step 4: Simplify right side
    247,120.47x = 47,636,324,711.64
  5. Step 5: Solve for x
    x = 47,636,324,711.64/247,120.47
  6. Step 6: Final answer
    x = 192,765.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.