Home / 131,739.75-197,634.60-52,860.20

Finding the Fourth Proportional to 131,739.75, 197,634.60 and 52,860.20

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Solution

The fourth proportional to 131,739.75, 197,634.60 and 52,860.20 is: 79,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739.75 : 197,634.60 = 52,860.20 : x
  2. Step 2: Convert to fraction form
    131,739.75/197,634.60 = 52,860.20/x
  3. Step 3: Cross multiply
    131,739.75x = 197,634.60 × 52,860.20
  4. Step 4: Simplify right side
    131,739.75x = 10,447,003,494.75
  5. Step 5: Solve for x
    x = 10,447,003,494.75/131,739.75
  6. Step 6: Final answer
    x = 79,300.31

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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.