Home / 181,869.30-272,803.95-131,714.10

Finding the Fourth Proportional to 181,869.30, 272,803.95 and 131,714.10

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Solution

The fourth proportional to 181,869.30, 272,803.95 and 131,714.10 is: 197,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,869.30 : 272,803.95 = 131,714.10 : x
  2. Step 2: Convert to fraction form
    181,869.30/272,803.95 = 131,714.10/x
  3. Step 3: Cross multiply
    181,869.30x = 272,803.95 × 131,714.10
  4. Step 4: Simplify right side
    181,869.30x = 35,932,126,750.70
  5. Step 5: Solve for x
    x = 35,932,126,750.70/181,869.30
  6. Step 6: Final answer
    x = 197,571.15

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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.