Home / 250,145.72-375,257.46-83,972.60

Finding the Fourth Proportional to 250,145.72, 375,257.46 and 83,972.60

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Solution

The fourth proportional to 250,145.72, 375,257.46 and 83,972.60 is: 125,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,145.72 : 375,257.46 = 83,972.60 : x
  2. Step 2: Convert to fraction form
    250,145.72/375,257.46 = 83,972.60/x
  3. Step 3: Cross multiply
    250,145.72x = 375,257.46 × 83,972.60
  4. Step 4: Simplify right side
    250,145.72x = 31,511,343,959.08
  5. Step 5: Solve for x
    x = 31,511,343,959.08/250,145.72
  6. Step 6: Final answer
    x = 125,971.95

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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.