Home / 121,153.82-167,197.78-67,442.24

Finding the Fourth Proportional to 121,153.82, 167,197.78 and 67,442.24

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Solution

The fourth proportional to 121,153.82, 167,197.78 and 67,442.24 is: 93,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,153.82 : 167,197.78 = 67,442.24 : x
  2. Step 2: Convert to fraction form
    121,153.82/167,197.78 = 67,442.24/x
  3. Step 3: Cross multiply
    121,153.82x = 167,197.78 × 67,442.24
  4. Step 4: Simplify right side
    121,153.82x = 11,276,192,806.23
  5. Step 5: Solve for x
    x = 11,276,192,806.23/121,153.82
  6. Step 6: Final answer
    x = 93,073.36

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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.