Home / 133,067.75-183,637.94-72,641.97

Finding the Fourth Proportional to 133,067.75, 183,637.94 and 72,641.97

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Solution

The fourth proportional to 133,067.75, 183,637.94 and 72,641.97 is: 100,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,067.75 : 183,637.94 = 72,641.97 : x
  2. Step 2: Convert to fraction form
    133,067.75/183,637.94 = 72,641.97/x
  3. Step 3: Cross multiply
    133,067.75x = 183,637.94 × 72,641.97
  4. Step 4: Simplify right side
    133,067.75x = 13,339,821,728.34
  5. Step 5: Solve for x
    x = 13,339,821,728.34/133,067.75
  6. Step 6: Final answer
    x = 100,248.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.