Home / 147,194.78-220,644.53-68,364.36

Finding the Fourth Proportional to 147,194.78, 220,644.53 and 68,364.36

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Solution

The fourth proportional to 147,194.78, 220,644.53 and 68,364.36 is: 102,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,194.78 : 220,644.53 = 68,364.36 : x
  2. Step 2: Convert to fraction form
    147,194.78/220,644.53 = 68,364.36/x
  3. Step 3: Cross multiply
    147,194.78x = 220,644.53 × 68,364.36
  4. Step 4: Simplify right side
    147,194.78x = 15,084,221,739.13
  5. Step 5: Solve for x
    x = 15,084,221,739.13/147,194.78
  6. Step 6: Final answer
    x = 102,477.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.