Home / 222,990.08-307,727.18-121,015.52

Finding the Fourth Proportional to 222,990.08, 307,727.18 and 121,015.52

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Solution

The fourth proportional to 222,990.08, 307,727.18 and 121,015.52 is: 167,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,990.08 : 307,727.18 = 121,015.52 : x
  2. Step 2: Convert to fraction form
    222,990.08/307,727.18 = 121,015.52/x
  3. Step 3: Cross multiply
    222,990.08x = 307,727.18 × 121,015.52
  4. Step 4: Simplify right side
    222,990.08x = 37,239,764,705.83
  5. Step 5: Solve for x
    x = 37,239,764,705.83/222,990.08
  6. Step 6: Final answer
    x = 167,001.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.