Home / 248,166.40-371,839.20-142,801.60

Finding the Fourth Proportional to 248,166.40, 371,839.20 and 142,801.60

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Solution

The fourth proportional to 248,166.40, 371,839.20 and 142,801.60 is: 213,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,166.40 : 371,839.20 = 142,801.60 : x
  2. Step 2: Convert to fraction form
    248,166.40/371,839.20 = 142,801.60/x
  3. Step 3: Cross multiply
    248,166.40x = 371,839.20 × 142,801.60
  4. Step 4: Simplify right side
    248,166.40x = 53,099,232,702.72
  5. Step 5: Solve for x
    x = 53,099,232,702.72/248,166.40
  6. Step 6: Final answer
    x = 213,966.24

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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.