Home / 181,933.90-272,930.02-76,768.36

Finding the Fourth Proportional to 181,933.90, 272,930.02 and 76,768.36

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Solution

The fourth proportional to 181,933.90, 272,930.02 and 76,768.36 is: 115,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,933.90 : 272,930.02 = 76,768.36 : x
  2. Step 2: Convert to fraction form
    181,933.90/272,930.02 = 76,768.36/x
  3. Step 3: Cross multiply
    181,933.90x = 272,930.02 × 76,768.36
  4. Step 4: Simplify right side
    181,933.90x = 20,952,390,030.17
  5. Step 5: Solve for x
    x = 20,952,390,030.17/181,933.90
  6. Step 6: Final answer
    x = 115,164.85

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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.