Home / 154,065.70-231,098.55-103,327.30

Finding the Fourth Proportional to 154,065.70, 231,098.55 and 103,327.30

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Solution

The fourth proportional to 154,065.70, 231,098.55 and 103,327.30 is: 154,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,065.70 : 231,098.55 = 103,327.30 : x
  2. Step 2: Convert to fraction form
    154,065.70/231,098.55 = 103,327.30/x
  3. Step 3: Cross multiply
    154,065.70x = 231,098.55 × 103,327.30
  4. Step 4: Simplify right side
    154,065.70x = 23,878,789,205.42
  5. Step 5: Solve for x
    x = 23,878,789,205.42/154,065.70
  6. Step 6: Final answer
    x = 154,990.95

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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.