Home / 94,199.86-129,997.28-51,180.20

Finding the Fourth Proportional to 94,199.86, 129,997.28 and 51,180.20

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Solution

The fourth proportional to 94,199.86, 129,997.28 and 51,180.20 is: 70,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,199.86 : 129,997.28 = 51,180.20 : x
  2. Step 2: Convert to fraction form
    94,199.86/129,997.28 = 51,180.20/x
  3. Step 3: Cross multiply
    94,199.86x = 129,997.28 × 51,180.20
  4. Step 4: Simplify right side
    94,199.86x = 6,653,286,789.86
  5. Step 5: Solve for x
    x = 6,653,286,789.86/94,199.86
  6. Step 6: Final answer
    x = 70,629.48

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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.