Home / 132,905.86-199,324.56-39,389.74

Finding the Fourth Proportional to 132,905.86, 199,324.56 and 39,389.74

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Solution

The fourth proportional to 132,905.86, 199,324.56 and 39,389.74 is: 59,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,905.86 : 199,324.56 = 39,389.74 : x
  2. Step 2: Convert to fraction form
    132,905.86/199,324.56 = 39,389.74/x
  3. Step 3: Cross multiply
    132,905.86x = 199,324.56 × 39,389.74
  4. Step 4: Simplify right side
    132,905.86x = 7,851,342,594.01
  5. Step 5: Solve for x
    x = 7,851,342,594.01/132,905.86
  6. Step 6: Final answer
    x = 59,074.47

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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.