Home / 242,123.25-363,186.69-84,351.45

Finding the Fourth Proportional to 242,123.25, 363,186.69 and 84,351.45

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Solution

The fourth proportional to 242,123.25, 363,186.69 and 84,351.45 is: 126,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,123.25 : 363,186.69 = 84,351.45 : x
  2. Step 2: Convert to fraction form
    242,123.25/363,186.69 = 84,351.45/x
  3. Step 3: Cross multiply
    242,123.25x = 363,186.69 × 84,351.45
  4. Step 4: Simplify right side
    242,123.25x = 30,635,323,922.20
  5. Step 5: Solve for x
    x = 30,635,323,922.20/242,123.25
  6. Step 6: Final answer
    x = 126,527.81

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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.