Home / 133,306.11-183,979.71-75,966.17

Finding the Fourth Proportional to 133,306.11, 183,979.71 and 75,966.17

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Solution

The fourth proportional to 133,306.11, 183,979.71 and 75,966.17 is: 104,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,306.11 : 183,979.71 = 75,966.17 : x
  2. Step 2: Convert to fraction form
    133,306.11/183,979.71 = 75,966.17/x
  3. Step 3: Cross multiply
    133,306.11x = 183,979.71 × 75,966.17
  4. Step 4: Simplify right side
    133,306.11x = 13,976,233,006.51
  5. Step 5: Solve for x
    x = 13,976,233,006.51/133,306.11
  6. Step 6: Final answer
    x = 104,843.15

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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.