Home / 121,182.67-167,231.70-67,466.29

Finding the Fourth Proportional to 121,182.67, 167,231.70 and 67,466.29

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Solution

The fourth proportional to 121,182.67, 167,231.70 and 67,466.29 is: 93,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,182.67 : 167,231.70 = 67,466.29 : x
  2. Step 2: Convert to fraction form
    121,182.67/167,231.70 = 67,466.29/x
  3. Step 3: Cross multiply
    121,182.67x = 167,231.70 × 67,466.29
  4. Step 4: Simplify right side
    121,182.67x = 11,282,502,369.39
  5. Step 5: Solve for x
    x = 11,282,502,369.39/121,182.67
  6. Step 6: Final answer
    x = 93,103.27

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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.