Home / 94,910.40-142,387.20-55,447.20

Finding the Fourth Proportional to 94,910.40, 142,387.20 and 55,447.20

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Solution

The fourth proportional to 94,910.40, 142,387.20 and 55,447.20 is: 83,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,910.40 : 142,387.20 = 55,447.20 : x
  2. Step 2: Convert to fraction form
    94,910.40/142,387.20 = 55,447.20/x
  3. Step 3: Cross multiply
    94,910.40x = 142,387.20 × 55,447.20
  4. Step 4: Simplify right side
    94,910.40x = 7,894,971,555.84
  5. Step 5: Solve for x
    x = 7,894,971,555.84/94,910.40
  6. Step 6: Final answer
    x = 83,183.42

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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.