Home / 154,033.73-231,083.00-87,504.65

Finding the Fourth Proportional to 154,033.73, 231,083.00 and 87,504.65

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Solution

The fourth proportional to 154,033.73, 231,083.00 and 87,504.65 is: 131,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.73 : 231,083.00 = 87,504.65 : x
  2. Step 2: Convert to fraction form
    154,033.73/231,083.00 = 87,504.65/x
  3. Step 3: Cross multiply
    154,033.73x = 231,083.00 × 87,504.65
  4. Step 4: Simplify right side
    154,033.73x = 20,220,836,598.43
  5. Step 5: Solve for x
    x = 20,220,836,598.43/154,033.73
  6. Step 6: Final answer
    x = 131,275.38

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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.