Home / 121,133.44-167,143.36-111,334.44

Finding the Fourth Proportional to 121,133.44, 167,143.36 and 111,334.44

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Solution

The fourth proportional to 121,133.44, 167,143.36 and 111,334.44 is: 153,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,133.44 : 167,143.36 = 111,334.44 : x
  2. Step 2: Convert to fraction form
    121,133.44/167,143.36 = 111,334.44/x
  3. Step 3: Cross multiply
    121,133.44x = 167,143.36 × 111,334.44
  4. Step 4: Simplify right side
    121,133.44x = 18,608,812,385.32
  5. Step 5: Solve for x
    x = 18,608,812,385.32/121,133.44
  6. Step 6: Final answer
    x = 153,622.42

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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.