Home / 149,832.04-206,764.50-86,168.36

Finding the Fourth Proportional to 149,832.04, 206,764.50 and 86,168.36

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Solution

The fourth proportional to 149,832.04, 206,764.50 and 86,168.36 is: 118,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,832.04 : 206,764.50 = 86,168.36 : x
  2. Step 2: Convert to fraction form
    149,832.04/206,764.50 = 86,168.36/x
  3. Step 3: Cross multiply
    149,832.04x = 206,764.50 × 86,168.36
  4. Step 4: Simplify right side
    149,832.04x = 17,816,557,871.22
  5. Step 5: Solve for x
    x = 17,816,557,871.22/149,832.04
  6. Step 6: Final answer
    x = 118,910.20

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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.