Home / 247,861.06-342,020.50-140,408.08

Finding the Fourth Proportional to 247,861.06, 342,020.50 and 140,408.08

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Solution

The fourth proportional to 247,861.06, 342,020.50 and 140,408.08 is: 193,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,861.06 : 342,020.50 = 140,408.08 : x
  2. Step 2: Convert to fraction form
    247,861.06/342,020.50 = 140,408.08/x
  3. Step 3: Cross multiply
    247,861.06x = 342,020.50 × 140,408.08
  4. Step 4: Simplify right side
    247,861.06x = 48,022,440,519.57
  5. Step 5: Solve for x
    x = 48,022,440,519.57/247,861.06
  6. Step 6: Final answer
    x = 193,747.42

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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.