Home / 133,447.56-200,139.89-49,161.95

Finding the Fourth Proportional to 133,447.56, 200,139.89 and 49,161.95

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Solution

The fourth proportional to 133,447.56, 200,139.89 and 49,161.95 is: 73,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,447.56 : 200,139.89 = 49,161.95 : x
  2. Step 2: Convert to fraction form
    133,447.56/200,139.89 = 49,161.95/x
  3. Step 3: Cross multiply
    133,447.56x = 200,139.89 × 49,161.95
  4. Step 4: Simplify right side
    133,447.56x = 9,839,267,265.19
  5. Step 5: Solve for x
    x = 9,839,267,265.19/133,447.56
  6. Step 6: Final answer
    x = 73,731.34

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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.