Home / 248,056.40-371,674.20-142,691.60

Finding the Fourth Proportional to 248,056.40, 371,674.20 and 142,691.60

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Solution

The fourth proportional to 248,056.40, 371,674.20 and 142,691.60 is: 213,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,056.40 : 371,674.20 = 142,691.60 : x
  2. Step 2: Convert to fraction form
    248,056.40/371,674.20 = 142,691.60/x
  3. Step 3: Cross multiply
    248,056.40x = 371,674.20 × 142,691.60
  4. Step 4: Simplify right side
    248,056.40x = 53,034,786,276.72
  5. Step 5: Solve for x
    x = 53,034,786,276.72/248,056.40
  6. Step 6: Final answer
    x = 213,801.32

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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.