Home / 218,805.41-301,975.61-126,944.93

Finding the Fourth Proportional to 218,805.41, 301,975.61 and 126,944.93

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Solution

The fourth proportional to 218,805.41, 301,975.61 and 126,944.93 is: 175,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,805.41 : 301,975.61 = 126,944.93 : x
  2. Step 2: Convert to fraction form
    218,805.41/301,975.61 = 126,944.93/x
  3. Step 3: Cross multiply
    218,805.41x = 301,975.61 × 126,944.93
  4. Step 4: Simplify right side
    218,805.41x = 38,334,270,528.55
  5. Step 5: Solve for x
    x = 38,334,270,528.55/218,805.41
  6. Step 6: Final answer
    x = 175,198.01

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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.