Home / 141,532.65-195,292.82-81,091.67

Finding the Fourth Proportional to 141,532.65, 195,292.82 and 81,091.67

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Solution

The fourth proportional to 141,532.65, 195,292.82 and 81,091.67 is: 111,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,532.65 : 195,292.82 = 81,091.67 : x
  2. Step 2: Convert to fraction form
    141,532.65/195,292.82 = 81,091.67/x
  3. Step 3: Cross multiply
    141,532.65x = 195,292.82 × 81,091.67
  4. Step 4: Simplify right side
    141,532.65x = 15,836,620,139.07
  5. Step 5: Solve for x
    x = 15,836,620,139.07/141,532.65
  6. Step 6: Final answer
    x = 111,893.76

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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.