Home / 132,986.32-199,445.40-39,470.80

Finding the Fourth Proportional to 132,986.32, 199,445.40 and 39,470.80

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Solution

The fourth proportional to 132,986.32, 199,445.40 and 39,470.80 is: 59,196.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,986.32 : 199,445.40 = 39,470.80 : x
  2. Step 2: Convert to fraction form
    132,986.32/199,445.40 = 39,470.80/x
  3. Step 3: Cross multiply
    132,986.32x = 199,445.40 × 39,470.80
  4. Step 4: Simplify right side
    132,986.32x = 7,872,269,494.32
  5. Step 5: Solve for x
    x = 7,872,269,494.32/132,986.32
  6. Step 6: Final answer
    x = 59,196.08

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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.