Home / 121,669.44-167,902.08-67,955.24

Finding the Fourth Proportional to 121,669.44, 167,902.08 and 67,955.24

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Solution

The fourth proportional to 121,669.44, 167,902.08 and 67,955.24 is: 93,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,669.44 : 167,902.08 = 67,955.24 : x
  2. Step 2: Convert to fraction form
    121,669.44/167,902.08 = 67,955.24/x
  3. Step 3: Cross multiply
    121,669.44x = 167,902.08 × 67,955.24
  4. Step 4: Simplify right side
    121,669.44x = 11,409,825,303.39
  5. Step 5: Solve for x
    x = 11,409,825,303.39/121,669.44
  6. Step 6: Final answer
    x = 93,777.25

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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.