Home / 121,410.03-167,546.46-67,697.31

Finding the Fourth Proportional to 121,410.03, 167,546.46 and 67,697.31

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Solution

The fourth proportional to 121,410.03, 167,546.46 and 67,697.31 is: 93,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,410.03 : 167,546.46 = 67,697.31 : x
  2. Step 2: Convert to fraction form
    121,410.03/167,546.46 = 67,697.31/x
  3. Step 3: Cross multiply
    121,410.03x = 167,546.46 × 67,697.31
  4. Step 4: Simplify right side
    121,410.03x = 11,342,444,642.02
  5. Step 5: Solve for x
    x = 11,342,444,642.02/121,410.03
  6. Step 6: Final answer
    x = 93,422.63

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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.