Home / 181,970.28-272,622.92-131,926.32

Finding the Fourth Proportional to 181,970.28, 272,622.92 and 131,926.32

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Solution

The fourth proportional to 181,970.28, 272,622.92 and 131,926.32 is: 197,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,970.28 : 272,622.92 = 131,926.32 : x
  2. Step 2: Convert to fraction form
    181,970.28/272,622.92 = 131,926.32/x
  3. Step 3: Cross multiply
    181,970.28x = 272,622.92 × 131,926.32
  4. Step 4: Simplify right side
    181,970.28x = 35,966,137,923.62
  5. Step 5: Solve for x
    x = 35,966,137,923.62/181,970.28
  6. Step 6: Final answer
    x = 197,648.42

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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.