Home / 90,693.25-136,042.92-40,773.51

Finding the Fourth Proportional to 90,693.25, 136,042.92 and 40,773.51

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Solution

The fourth proportional to 90,693.25, 136,042.92 and 40,773.51 is: 61,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,693.25 : 136,042.92 = 40,773.51 : x
  2. Step 2: Convert to fraction form
    90,693.25/136,042.92 = 40,773.51/x
  3. Step 3: Cross multiply
    90,693.25x = 136,042.92 × 40,773.51
  4. Step 4: Simplify right side
    90,693.25x = 5,546,947,359.05
  5. Step 5: Solve for x
    x = 5,546,947,359.05/90,693.25
  6. Step 6: Final answer
    x = 61,161.63

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1.5x scale

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.