Home / 154,601.20-231,901.80-75,869.20

Finding the Fourth Proportional to 154,601.20, 231,901.80 and 75,869.20

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Solution

The fourth proportional to 154,601.20, 231,901.80 and 75,869.20 is: 113,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,601.20 : 231,901.80 = 75,869.20 : x
  2. Step 2: Convert to fraction form
    154,601.20/231,901.80 = 75,869.20/x
  3. Step 3: Cross multiply
    154,601.20x = 231,901.80 × 75,869.20
  4. Step 4: Simplify right side
    154,601.20x = 17,594,204,044.56
  5. Step 5: Solve for x
    x = 17,594,204,044.56/154,601.20
  6. Step 6: Final answer
    x = 113,803.80

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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.