Home / 141,432.59-195,160.61-80,999.63

Finding the Fourth Proportional to 141,432.59, 195,160.61 and 80,999.63

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Solution

The fourth proportional to 141,432.59, 195,160.61 and 80,999.63 is: 111,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,432.59 : 195,160.61 = 80,999.63 : x
  2. Step 2: Convert to fraction form
    141,432.59/195,160.61 = 80,999.63/x
  3. Step 3: Cross multiply
    141,432.59x = 195,160.61 × 80,999.63
  4. Step 4: Simplify right side
    141,432.59x = 15,807,936,427.27
  5. Step 5: Solve for x
    x = 15,807,936,427.27/141,432.59
  6. Step 6: Final answer
    x = 111,770.12

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1.5x scale

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.