Home / 121,448.40-182,119.06-54,885.84

Finding the Fourth Proportional to 121,448.40, 182,119.06 and 54,885.84

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Solution

The fourth proportional to 121,448.40, 182,119.06 and 54,885.84 is: 82,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,448.40 : 182,119.06 = 54,885.84 : x
  2. Step 2: Convert to fraction form
    121,448.40/182,119.06 = 54,885.84/x
  3. Step 3: Cross multiply
    121,448.40x = 182,119.06 × 54,885.84
  4. Step 4: Simplify right side
    121,448.40x = 9,995,757,588.11
  5. Step 5: Solve for x
    x = 9,995,757,588.11/121,448.40
  6. Step 6: Final answer
    x = 82,304.56

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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.