Home / 218,724.42-301,839.66-118,122.42

Finding the Fourth Proportional to 218,724.42, 301,839.66 and 118,122.42

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Solution

The fourth proportional to 218,724.42, 301,839.66 and 118,122.42 is: 163,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,724.42 : 301,839.66 = 118,122.42 : x
  2. Step 2: Convert to fraction form
    218,724.42/301,839.66 = 118,122.42/x
  3. Step 3: Cross multiply
    218,724.42x = 301,839.66 × 118,122.42
  4. Step 4: Simplify right side
    218,724.42x = 35,654,031,091.18
  5. Step 5: Solve for x
    x = 35,654,031,091.18/218,724.42
  6. Step 6: Final answer
    x = 163,008.92

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1.5x scale

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.