Home / 247,911.40-342,117.60-134,734.24

Finding the Fourth Proportional to 247,911.40, 342,117.60 and 134,734.24

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Solution

The fourth proportional to 247,911.40, 342,117.60 and 134,734.24 is: 185,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,911.40 : 342,117.60 = 134,734.24 : x
  2. Step 2: Convert to fraction form
    247,911.40/342,117.60 = 134,734.24/x
  3. Step 3: Cross multiply
    247,911.40x = 342,117.60 × 134,734.24
  4. Step 4: Simplify right side
    247,911.40x = 46,094,954,826.62
  5. Step 5: Solve for x
    x = 46,094,954,826.62/247,911.40
  6. Step 6: Final answer
    x = 185,933.18

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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.