Home / 110,891.54-166,403.18-40,820.06

Finding the Fourth Proportional to 110,891.54, 166,403.18 and 40,820.06

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Solution

The fourth proportional to 110,891.54, 166,403.18 and 40,820.06 is: 61,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,891.54 : 166,403.18 = 40,820.06 : x
  2. Step 2: Convert to fraction form
    110,891.54/166,403.18 = 40,820.06/x
  3. Step 3: Cross multiply
    110,891.54x = 166,403.18 × 40,820.06
  4. Step 4: Simplify right side
    110,891.54x = 6,792,587,061.83
  5. Step 5: Solve for x
    x = 6,792,587,061.83/110,891.54
  6. Step 6: Final answer
    x = 61,254.33

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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.