Home / 103,747.52-155,660.48-40,612.76

Finding the Fourth Proportional to 103,747.52, 155,660.48 and 40,612.76

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Solution

The fourth proportional to 103,747.52, 155,660.48 and 40,612.76 is: 60,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,747.52 : 155,660.48 = 40,612.76 : x
  2. Step 2: Convert to fraction form
    103,747.52/155,660.48 = 40,612.76/x
  3. Step 3: Cross multiply
    103,747.52x = 155,660.48 × 40,612.76
  4. Step 4: Simplify right side
    103,747.52x = 6,321,800,734.36
  5. Step 5: Solve for x
    x = 6,321,800,734.36/103,747.52
  6. Step 6: Final answer
    x = 60,934.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.