Home / 133,013.62-183,561.42-104,367.61

Finding the Fourth Proportional to 133,013.62, 183,561.42 and 104,367.61

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Solution

The fourth proportional to 133,013.62, 183,561.42 and 104,367.61 is: 144,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.62 : 183,561.42 = 104,367.61 : x
  2. Step 2: Convert to fraction form
    133,013.62/183,561.42 = 104,367.61/x
  3. Step 3: Cross multiply
    133,013.62x = 183,561.42 × 104,367.61
  4. Step 4: Simplify right side
    133,013.62x = 19,157,866,693.61
  5. Step 5: Solve for x
    x = 19,157,866,693.61/133,013.62
  6. Step 6: Final answer
    x = 144,029.36

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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.