Home / 133,909.07-200,960.73-49,681.28

Finding the Fourth Proportional to 133,909.07, 200,960.73 and 49,681.28

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Solution

The fourth proportional to 133,909.07, 200,960.73 and 49,681.28 is: 74,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,909.07 : 200,960.73 = 49,681.28 : x
  2. Step 2: Convert to fraction form
    133,909.07/200,960.73 = 49,681.28/x
  3. Step 3: Cross multiply
    133,909.07x = 200,960.73 × 49,681.28
  4. Step 4: Simplify right side
    133,909.07x = 9,983,986,798.54
  5. Step 5: Solve for x
    x = 9,983,986,798.54/133,909.07
  6. Step 6: Final answer
    x = 74,557.96

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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.