Home / 247,867.18-342,055.56-140,436.97

Finding the Fourth Proportional to 247,867.18, 342,055.56 and 140,436.97

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Solution

The fourth proportional to 247,867.18, 342,055.56 and 140,436.97 is: 193,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,867.18 : 342,055.56 = 140,436.97 : x
  2. Step 2: Convert to fraction form
    247,867.18/342,055.56 = 140,436.97/x
  3. Step 3: Cross multiply
    247,867.18x = 342,055.56 × 140,436.97
  4. Step 4: Simplify right side
    247,867.18x = 48,037,246,418.05
  5. Step 5: Solve for x
    x = 48,037,246,418.05/247,867.18
  6. Step 6: Final answer
    x = 193,802.37

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1.5x scale

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.