Home / 248,084.40-371,716.20-142,719.60

Finding the Fourth Proportional to 248,084.40, 371,716.20 and 142,719.60

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Solution

The fourth proportional to 248,084.40, 371,716.20 and 142,719.60 is: 213,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,084.40 : 371,716.20 = 142,719.60 : x
  2. Step 2: Convert to fraction form
    248,084.40/371,716.20 = 142,719.60/x
  3. Step 3: Cross multiply
    248,084.40x = 371,716.20 × 142,719.60
  4. Step 4: Simplify right side
    248,084.40x = 53,051,187,377.52
  5. Step 5: Solve for x
    x = 53,051,187,377.52/248,084.40
  6. Step 6: Final answer
    x = 213,843.30

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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.