Home / 141,580.97-212,469.83-91,536.95

Finding the Fourth Proportional to 141,580.97, 212,469.83 and 91,536.95

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Solution

The fourth proportional to 141,580.97, 212,469.83 and 91,536.95 is: 137,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,580.97 : 212,469.83 = 91,536.95 : x
  2. Step 2: Convert to fraction form
    141,580.97/212,469.83 = 91,536.95/x
  3. Step 3: Cross multiply
    141,580.97x = 212,469.83 × 91,536.95
  4. Step 4: Simplify right side
    141,580.97x = 19,448,838,685.18
  5. Step 5: Solve for x
    x = 19,448,838,685.18/141,580.97
  6. Step 6: Final answer
    x = 137,369.02

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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.