Home / 121,208.60-167,270.57-67,498.62

Finding the Fourth Proportional to 121,208.60, 167,270.57 and 67,498.62

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Solution

The fourth proportional to 121,208.60, 167,270.57 and 67,498.62 is: 93,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,208.60 : 167,270.57 = 67,498.62 : x
  2. Step 2: Convert to fraction form
    121,208.60/167,270.57 = 67,498.62/x
  3. Step 3: Cross multiply
    121,208.60x = 167,270.57 × 67,498.62
  4. Step 4: Simplify right side
    121,208.60x = 11,290,531,929.98
  5. Step 5: Solve for x
    x = 11,290,531,929.98/121,208.60
  6. Step 6: Final answer
    x = 93,149.59

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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.