Home / 132,906.86-199,326.06-39,390.74

Finding the Fourth Proportional to 132,906.86, 199,326.06 and 39,390.74

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Solution

The fourth proportional to 132,906.86, 199,326.06 and 39,390.74 is: 59,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,906.86 : 199,326.06 = 39,390.74 : x
  2. Step 2: Convert to fraction form
    132,906.86/199,326.06 = 39,390.74/x
  3. Step 3: Cross multiply
    132,906.86x = 199,326.06 × 39,390.74
  4. Step 4: Simplify right side
    132,906.86x = 7,851,601,004.68
  5. Step 5: Solve for x
    x = 7,851,601,004.68/132,906.86
  6. Step 6: Final answer
    x = 59,075.96

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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.