Home / 239,975.36-331,164.02-131,079.77

Finding the Fourth Proportional to 239,975.36, 331,164.02 and 131,079.77

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Solution

The fourth proportional to 239,975.36, 331,164.02 and 131,079.77 is: 180,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,975.36 : 331,164.02 = 131,079.77 : x
  2. Step 2: Convert to fraction form
    239,975.36/331,164.02 = 131,079.77/x
  3. Step 3: Cross multiply
    239,975.36x = 331,164.02 × 131,079.77
  4. Step 4: Simplify right side
    239,975.36x = 43,408,901,262.66
  5. Step 5: Solve for x
    x = 43,408,901,262.66/239,975.36
  6. Step 6: Final answer
    x = 180,889.00

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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.