Home / 247,119.60-341,021.35-139,685.85

Finding the Fourth Proportional to 247,119.60, 341,021.35 and 139,685.85

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Solution

The fourth proportional to 247,119.60, 341,021.35 and 139,685.85 is: 192,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,119.60 : 341,021.35 = 139,685.85 : x
  2. Step 2: Convert to fraction form
    247,119.60/341,021.35 = 139,685.85/x
  3. Step 3: Cross multiply
    247,119.60x = 341,021.35 × 139,685.85
  4. Step 4: Simplify right side
    247,119.60x = 47,635,857,142.90
  5. Step 5: Solve for x
    x = 47,635,857,142.90/247,119.60
  6. Step 6: Final answer
    x = 192,764.38

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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.