Home / 140,468.20-210,907.10-109,338.60

Finding the Fourth Proportional to 140,468.20, 210,907.10 and 109,338.60

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Solution

The fourth proportional to 140,468.20, 210,907.10 and 109,338.60 is: 164,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,468.20 : 210,907.10 = 109,338.60 : x
  2. Step 2: Convert to fraction form
    140,468.20/210,907.10 = 109,338.60/x
  3. Step 3: Cross multiply
    140,468.20x = 210,907.10 × 109,338.60
  4. Step 4: Simplify right side
    140,468.20x = 23,060,287,044.06
  5. Step 5: Solve for x
    x = 23,060,287,044.06/140,468.20
  6. Step 6: Final answer
    x = 164,167.31

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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.