Home / 179,233.90-268,850.85-74,128.30

Finding the Fourth Proportional to 179,233.90, 268,850.85 and 74,128.30

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Solution

The fourth proportional to 179,233.90, 268,850.85 and 74,128.30 is: 111,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,233.90 : 268,850.85 = 74,128.30 : x
  2. Step 2: Convert to fraction form
    179,233.90/268,850.85 = 74,128.30/x
  3. Step 3: Cross multiply
    179,233.90x = 268,850.85 × 74,128.30
  4. Step 4: Simplify right side
    179,233.90x = 19,929,456,464.06
  5. Step 5: Solve for x
    x = 19,929,456,464.06/179,233.90
  6. Step 6: Final answer
    x = 111,192.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.