Home / 247,947.09-371,924.73-107,705.71

Finding the Fourth Proportional to 247,947.09, 371,924.73 and 107,705.71

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Solution

The fourth proportional to 247,947.09, 371,924.73 and 107,705.71 is: 161,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,947.09 : 371,924.73 = 107,705.71 : x
  2. Step 2: Convert to fraction form
    247,947.09/371,924.73 = 107,705.71/x
  3. Step 3: Cross multiply
    247,947.09x = 371,924.73 × 107,705.71
  4. Step 4: Simplify right side
    247,947.09x = 40,058,417,576.11
  5. Step 5: Solve for x
    x = 40,058,417,576.11/247,947.09
  6. Step 6: Final answer
    x = 161,560.35

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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.