Home / 199,630.36-299,297.92-120,727.04

Finding the Fourth Proportional to 199,630.36, 299,297.92 and 120,727.04

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Solution

The fourth proportional to 199,630.36, 299,297.92 and 120,727.04 is: 181,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,630.36 : 299,297.92 = 120,727.04 : x
  2. Step 2: Convert to fraction form
    199,630.36/299,297.92 = 120,727.04/x
  3. Step 3: Cross multiply
    199,630.36x = 299,297.92 × 120,727.04
  4. Step 4: Simplify right side
    199,630.36x = 36,133,352,741.00
  5. Step 5: Solve for x
    x = 36,133,352,741.00/199,630.36
  6. Step 6: Final answer
    x = 181,001.29

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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.