Home / 141,834.90-212,557.95-100,233.30

Finding the Fourth Proportional to 141,834.90, 212,557.95 and 100,233.30

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Solution

The fourth proportional to 141,834.90, 212,557.95 and 100,233.30 is: 150,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,834.90 : 212,557.95 = 100,233.30 : x
  2. Step 2: Convert to fraction form
    141,834.90/212,557.95 = 100,233.30/x
  3. Step 3: Cross multiply
    141,834.90x = 212,557.95 × 100,233.30
  4. Step 4: Simplify right side
    141,834.90x = 21,305,384,769.74
  5. Step 5: Solve for x
    x = 21,305,384,769.74/141,834.90
  6. Step 6: Final answer
    x = 150,212.57

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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.