Home / 181,878.08-272,817.14-55,519

Finding the Fourth Proportional to 181,878.08, 272,817.14 and 55,519

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Solution

The fourth proportional to 181,878.08, 272,817.14 and 55,519 is: 83,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,878.08 : 272,817.14 = 55,519 : x
  2. Step 2: Convert to fraction form
    181,878.08/272,817.14 = 55,519/x
  3. Step 3: Cross multiply
    181,878.08x = 272,817.14 × 55,519
  4. Step 4: Simplify right side
    181,878.08x = 15,146,534,795.66
  5. Step 5: Solve for x
    x = 15,146,534,795.66/181,878.08
  6. Step 6: Final answer
    x = 83,278.51

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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.