Home / 250,425.18-375,471.63-81,886.44

Finding the Fourth Proportional to 250,425.18, 375,471.63 and 81,886.44

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Solution

The fourth proportional to 250,425.18, 375,471.63 and 81,886.44 is: 122,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,425.18 : 375,471.63 = 81,886.44 : x
  2. Step 2: Convert to fraction form
    250,425.18/375,471.63 = 81,886.44/x
  3. Step 3: Cross multiply
    250,425.18x = 375,471.63 × 81,886.44
  4. Step 4: Simplify right side
    250,425.18x = 30,746,035,101.70
  5. Step 5: Solve for x
    x = 30,746,035,101.70/250,425.18
  6. Step 6: Final answer
    x = 122,775.33

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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.