Home / 181,970.78-272,623.67-131,926.82

Finding the Fourth Proportional to 181,970.78, 272,623.67 and 131,926.82

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Solution

The fourth proportional to 181,970.78, 272,623.67 and 131,926.82 is: 197,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,970.78 : 272,623.67 = 131,926.82 : x
  2. Step 2: Convert to fraction form
    181,970.78/272,623.67 = 131,926.82/x
  3. Step 3: Cross multiply
    181,970.78x = 272,623.67 × 131,926.82
  4. Step 4: Simplify right side
    181,970.78x = 35,966,373,180.20
  5. Step 5: Solve for x
    x = 35,966,373,180.20/181,970.78
  6. Step 6: Final answer
    x = 197,649.17

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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.