Home / 121,904.03-168,241.52-68,202.65

Finding the Fourth Proportional to 121,904.03, 168,241.52 and 68,202.65

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Solution

The fourth proportional to 121,904.03, 168,241.52 and 68,202.65 is: 94,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,904.03 : 168,241.52 = 68,202.65 : x
  2. Step 2: Convert to fraction form
    121,904.03/168,241.52 = 68,202.65/x
  3. Step 3: Cross multiply
    121,904.03x = 168,241.52 × 68,202.65
  4. Step 4: Simplify right side
    121,904.03x = 11,474,517,504.03
  5. Step 5: Solve for x
    x = 11,474,517,504.03/121,904.03
  6. Step 6: Final answer
    x = 94,127.47

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1.5x scale

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.