Home / 195,140.93-269,195.85-130,612.86

Finding the Fourth Proportional to 195,140.93, 269,195.85 and 130,612.86

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Solution

The fourth proportional to 195,140.93, 269,195.85 and 130,612.86 is: 180,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,140.93 : 269,195.85 = 130,612.86 : x
  2. Step 2: Convert to fraction form
    195,140.93/269,195.85 = 130,612.86/x
  3. Step 3: Cross multiply
    195,140.93x = 269,195.85 × 130,612.86
  4. Step 4: Simplify right side
    195,140.93x = 35,160,439,868.63
  5. Step 5: Solve for x
    x = 35,160,439,868.63/195,140.93
  6. Step 6: Final answer
    x = 180,179.73

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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.