Home / 133,008.48-199,512.72-88,721.73

Finding the Fourth Proportional to 133,008.48, 199,512.72 and 88,721.73

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Solution

The fourth proportional to 133,008.48, 199,512.72 and 88,721.73 is: 133,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,008.48 : 199,512.72 = 88,721.73 : x
  2. Step 2: Convert to fraction form
    133,008.48/199,512.72 = 88,721.73/x
  3. Step 3: Cross multiply
    133,008.48x = 199,512.72 × 88,721.73
  4. Step 4: Simplify right side
    133,008.48x = 17,701,113,675.41
  5. Step 5: Solve for x
    x = 17,701,113,675.41/133,008.48
  6. Step 6: Final answer
    x = 133,082.60

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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.