Home / 247,942.39-342,153.31-140,522.35

Finding the Fourth Proportional to 247,942.39, 342,153.31 and 140,522.35

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Solution

The fourth proportional to 247,942.39, 342,153.31 and 140,522.35 is: 193,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,942.39 : 342,153.31 = 140,522.35 : x
  2. Step 2: Convert to fraction form
    247,942.39/342,153.31 = 140,522.35/x
  3. Step 3: Cross multiply
    247,942.39x = 342,153.31 × 140,522.35
  4. Step 4: Simplify right side
    247,942.39x = 48,080,184,768.10
  5. Step 5: Solve for x
    x = 48,080,184,768.10/247,942.39
  6. Step 6: Final answer
    x = 193,916.76

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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.