Home / 141,824.96-212,811.48-91,892.04

Finding the Fourth Proportional to 141,824.96, 212,811.48 and 91,892.04

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Solution

The fourth proportional to 141,824.96, 212,811.48 and 91,892.04 is: 137,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,824.96 : 212,811.48 = 91,892.04 : x
  2. Step 2: Convert to fraction form
    141,824.96/212,811.48 = 91,892.04/x
  3. Step 3: Cross multiply
    141,824.96x = 212,811.48 × 91,892.04
  4. Step 4: Simplify right side
    141,824.96x = 19,555,681,032.62
  5. Step 5: Solve for x
    x = 19,555,681,032.62/141,824.96
  6. Step 6: Final answer
    x = 137,886.03

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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.