Home / 181,727.70-272,483.55-111,657.30

Finding the Fourth Proportional to 181,727.70, 272,483.55 and 111,657.30

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Solution

The fourth proportional to 181,727.70, 272,483.55 and 111,657.30 is: 167,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,727.70 : 272,483.55 = 111,657.30 : x
  2. Step 2: Convert to fraction form
    181,727.70/272,483.55 = 111,657.30/x
  3. Step 3: Cross multiply
    181,727.70x = 272,483.55 × 111,657.30
  4. Step 4: Simplify right side
    181,727.70x = 30,424,777,487.42
  5. Step 5: Solve for x
    x = 30,424,777,487.42/181,727.70
  6. Step 6: Final answer
    x = 167,419.59

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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.