Home / 247,941.89-342,152.62-140,521.85

Finding the Fourth Proportional to 247,941.89, 342,152.62 and 140,521.85

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Solution

The fourth proportional to 247,941.89, 342,152.62 and 140,521.85 is: 193,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,941.89 : 342,152.62 = 140,521.85 : x
  2. Step 2: Convert to fraction form
    247,941.89/342,152.62 = 140,521.85/x
  3. Step 3: Cross multiply
    247,941.89x = 342,152.62 × 140,521.85
  4. Step 4: Simplify right side
    247,941.89x = 48,079,917,082.68
  5. Step 5: Solve for x
    x = 48,079,917,082.68/247,941.89
  6. Step 6: Final answer
    x = 193,916.07

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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.