Home / 120,334.83-166,055.74-65,876.57

Finding the Fourth Proportional to 120,334.83, 166,055.74 and 65,876.57

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Solution

The fourth proportional to 120,334.83, 166,055.74 and 65,876.57 is: 90,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,334.83 : 166,055.74 = 65,876.57 : x
  2. Step 2: Convert to fraction form
    120,334.83/166,055.74 = 65,876.57/x
  3. Step 3: Cross multiply
    120,334.83x = 166,055.74 × 65,876.57
  4. Step 4: Simplify right side
    120,334.83x = 10,939,181,926.00
  5. Step 5: Solve for x
    x = 10,939,181,926.00/120,334.83
  6. Step 6: Final answer
    x = 90,906.20

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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.