Home / 94,998.16-131,010.60-81,565.12

Finding the Fourth Proportional to 94,998.16, 131,010.60 and 81,565.12

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Solution

The fourth proportional to 94,998.16, 131,010.60 and 81,565.12 is: 112,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,998.16 : 131,010.60 = 81,565.12 : x
  2. Step 2: Convert to fraction form
    94,998.16/131,010.60 = 81,565.12/x
  3. Step 3: Cross multiply
    94,998.16x = 131,010.60 × 81,565.12
  4. Step 4: Simplify right side
    94,998.16x = 10,685,895,310.27
  5. Step 5: Solve for x
    x = 10,685,895,310.27/94,998.16
  6. Step 6: Final answer
    x = 112,485.29

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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.