Home / 205,836.51-284,058.24-115,202.45

Finding the Fourth Proportional to 205,836.51, 284,058.24 and 115,202.45

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Solution

The fourth proportional to 205,836.51, 284,058.24 and 115,202.45 is: 158,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,836.51 : 284,058.24 = 115,202.45 : x
  2. Step 2: Convert to fraction form
    205,836.51/284,058.24 = 115,202.45/x
  3. Step 3: Cross multiply
    205,836.51x = 284,058.24 × 115,202.45
  4. Step 4: Simplify right side
    205,836.51x = 32,724,206,116.84
  5. Step 5: Solve for x
    x = 32,724,206,116.84/205,836.51
  6. Step 6: Final answer
    x = 158,981.55

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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.