Home / 94,190.78-129,984.12-51,749.34

Finding the Fourth Proportional to 94,190.78, 129,984.12 and 51,749.34

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Solution

The fourth proportional to 94,190.78, 129,984.12 and 51,749.34 is: 71,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,190.78 : 129,984.12 = 51,749.34 : x
  2. Step 2: Convert to fraction form
    94,190.78/129,984.12 = 51,749.34/x
  3. Step 3: Cross multiply
    94,190.78x = 129,984.12 × 51,749.34
  4. Step 4: Simplify right side
    94,190.78x = 6,726,592,420.48
  5. Step 5: Solve for x
    x = 6,726,592,420.48/94,190.78
  6. Step 6: Final answer
    x = 71,414.56

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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.