Home / 223,724.52-308,741.15-121,750.79

Finding the Fourth Proportional to 223,724.52, 308,741.15 and 121,750.79

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Solution

The fourth proportional to 223,724.52, 308,741.15 and 121,750.79 is: 168,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,724.52 : 308,741.15 = 121,750.79 : x
  2. Step 2: Convert to fraction form
    223,724.52/308,741.15 = 121,750.79/x
  3. Step 3: Cross multiply
    223,724.52x = 308,741.15 × 121,750.79
  4. Step 4: Simplify right side
    223,724.52x = 37,589,477,678.68
  5. Step 5: Solve for x
    x = 37,589,477,678.68/223,724.52
  6. Step 6: Final answer
    x = 168,016.80

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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.