Home / 141,532.67-195,319.76-81,114.90

Finding the Fourth Proportional to 141,532.67, 195,319.76 and 81,114.90

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Solution

The fourth proportional to 141,532.67, 195,319.76 and 81,114.90 is: 111,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,532.67 : 195,319.76 = 81,114.90 : x
  2. Step 2: Convert to fraction form
    141,532.67/195,319.76 = 81,114.90/x
  3. Step 3: Cross multiply
    141,532.67x = 195,319.76 × 81,114.90
  4. Step 4: Simplify right side
    141,532.67x = 15,843,342,118.67
  5. Step 5: Solve for x
    x = 15,843,342,118.67/141,532.67
  6. Step 6: Final answer
    x = 111,941.23

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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.