Home / 129,661.09-194,358.22-49,677.32

Finding the Fourth Proportional to 129,661.09, 194,358.22 and 49,677.32

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Solution

The fourth proportional to 129,661.09, 194,358.22 and 49,677.32 is: 74,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,661.09 : 194,358.22 = 49,677.32 : x
  2. Step 2: Convert to fraction form
    129,661.09/194,358.22 = 49,677.32/x
  3. Step 3: Cross multiply
    129,661.09x = 194,358.22 × 49,677.32
  4. Step 4: Simplify right side
    129,661.09x = 9,655,195,851.27
  5. Step 5: Solve for x
    x = 9,655,195,851.27/129,661.09
  6. Step 6: Final answer
    x = 74,464.87

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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.