Home / 247,143.45-341,072.67-139,723.48

Finding the Fourth Proportional to 247,143.45, 341,072.67 and 139,723.48

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Solution

The fourth proportional to 247,143.45, 341,072.67 and 139,723.48 is: 192,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,143.45 : 341,072.67 = 139,723.48 : x
  2. Step 2: Convert to fraction form
    247,143.45/341,072.67 = 139,723.48/x
  3. Step 3: Cross multiply
    247,143.45x = 341,072.67 × 139,723.48
  4. Step 4: Simplify right side
    247,143.45x = 47,655,861,335.60
  5. Step 5: Solve for x
    x = 47,655,861,335.60/247,143.45
  6. Step 6: Final answer
    x = 192,826.72

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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.