Home / 247,863.48-342,052.50-134,686.20

Finding the Fourth Proportional to 247,863.48, 342,052.50 and 134,686.20

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Solution

The fourth proportional to 247,863.48, 342,052.50 and 134,686.20 is: 185,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,863.48 : 342,052.50 = 134,686.20 : x
  2. Step 2: Convert to fraction form
    247,863.48/342,052.50 = 134,686.20/x
  3. Step 3: Cross multiply
    247,863.48x = 342,052.50 × 134,686.20
  4. Step 4: Simplify right side
    247,863.48x = 46,069,751,425.50
  5. Step 5: Solve for x
    x = 46,069,751,425.50/247,863.48
  6. Step 6: Final answer
    x = 185,867.44

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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.