Home / 158,566.50-218,828.39-86,949.27

Finding the Fourth Proportional to 158,566.50, 218,828.39 and 86,949.27

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Solution

The fourth proportional to 158,566.50, 218,828.39 and 86,949.27 is: 119,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,566.50 : 218,828.39 = 86,949.27 : x
  2. Step 2: Convert to fraction form
    158,566.50/218,828.39 = 86,949.27/x
  3. Step 3: Cross multiply
    158,566.50x = 218,828.39 × 86,949.27
  4. Step 4: Simplify right side
    158,566.50x = 19,026,968,765.78
  5. Step 5: Solve for x
    x = 19,026,968,765.78/158,566.50
  6. Step 6: Final answer
    x = 119,993.62

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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.