Home / 141,251.83-194,926.63-76,720.41

Finding the Fourth Proportional to 141,251.83, 194,926.63 and 76,720.41

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Solution

The fourth proportional to 141,251.83, 194,926.63 and 76,720.41 is: 105,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,251.83 : 194,926.63 = 76,720.41 : x
  2. Step 2: Convert to fraction form
    141,251.83/194,926.63 = 76,720.41/x
  3. Step 3: Cross multiply
    141,251.83x = 194,926.63 × 76,720.41
  4. Step 4: Simplify right side
    141,251.83x = 14,954,850,973.52
  5. Step 5: Solve for x
    x = 14,954,850,973.52/141,251.83
  6. Step 6: Final answer
    x = 105,873.68

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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.