Home / 247,575.56-341,662.46-140,143.37

Finding the Fourth Proportional to 247,575.56, 341,662.46 and 140,143.37

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Solution

The fourth proportional to 247,575.56, 341,662.46 and 140,143.37 is: 193,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,575.56 : 341,662.46 = 140,143.37 : x
  2. Step 2: Convert to fraction form
    247,575.56/341,662.46 = 140,143.37/x
  3. Step 3: Cross multiply
    247,575.56x = 341,662.46 × 140,143.37
  4. Step 4: Simplify right side
    247,575.56x = 47,881,726,137.86
  5. Step 5: Solve for x
    x = 47,881,726,137.86/247,575.56
  6. Step 6: Final answer
    x = 193,402.48

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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.