Home / 140,338.80-210,591.18-51,654.60

Finding the Fourth Proportional to 140,338.80, 210,591.18 and 51,654.60

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Solution

The fourth proportional to 140,338.80, 210,591.18 and 51,654.60 is: 77,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,338.80 : 210,591.18 = 51,654.60 : x
  2. Step 2: Convert to fraction form
    140,338.80/210,591.18 = 51,654.60/x
  3. Step 3: Cross multiply
    140,338.80x = 210,591.18 × 51,654.60
  4. Step 4: Simplify right side
    140,338.80x = 10,878,003,166.43
  5. Step 5: Solve for x
    x = 10,878,003,166.43/140,338.80
  6. Step 6: Final answer
    x = 77,512.44

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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.