Home / 121,265.72-167,349.62-67,551.60

Finding the Fourth Proportional to 121,265.72, 167,349.62 and 67,551.60

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Solution

The fourth proportional to 121,265.72, 167,349.62 and 67,551.60 is: 93,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,265.72 : 167,349.62 = 67,551.60 : x
  2. Step 2: Convert to fraction form
    121,265.72/167,349.62 = 67,551.60/x
  3. Step 3: Cross multiply
    121,265.72x = 167,349.62 × 67,551.60
  4. Step 4: Simplify right side
    121,265.72x = 11,304,734,590.39
  5. Step 5: Solve for x
    x = 11,304,734,590.39/121,265.72
  6. Step 6: Final answer
    x = 93,222.84

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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.