Home / 158,448.57-218,664.36-86,827.97

Finding the Fourth Proportional to 158,448.57, 218,664.36 and 86,827.97

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Solution

The fourth proportional to 158,448.57, 218,664.36 and 86,827.97 is: 119,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,448.57 : 218,664.36 = 86,827.97 : x
  2. Step 2: Convert to fraction form
    158,448.57/218,664.36 = 86,827.97/x
  3. Step 3: Cross multiply
    158,448.57x = 218,664.36 × 86,827.97
  4. Step 4: Simplify right side
    158,448.57x = 18,986,181,396.83
  5. Step 5: Solve for x
    x = 18,986,181,396.83/158,448.57
  6. Step 6: Final answer
    x = 119,825.51

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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.