Home / 239,301.38-330,238.07-131,875.26

Finding the Fourth Proportional to 239,301.38, 330,238.07 and 131,875.26

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Solution

The fourth proportional to 239,301.38, 330,238.07 and 131,875.26 is: 181,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,301.38 : 330,238.07 = 131,875.26 : x
  2. Step 2: Convert to fraction form
    239,301.38/330,238.07 = 131,875.26/x
  3. Step 3: Cross multiply
    239,301.38x = 330,238.07 × 131,875.26
  4. Step 4: Simplify right side
    239,301.38x = 43,550,230,683.77
  5. Step 5: Solve for x
    x = 43,550,230,683.77/239,301.38
  6. Step 6: Final answer
    x = 181,989.05

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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.