Home / 94,198.86-129,995.90-51,179.20

Finding the Fourth Proportional to 94,198.86, 129,995.90 and 51,179.20

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Solution

The fourth proportional to 94,198.86, 129,995.90 and 51,179.20 is: 70,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,198.86 : 129,995.90 = 51,179.20 : x
  2. Step 2: Convert to fraction form
    94,198.86/129,995.90 = 51,179.20/x
  3. Step 3: Cross multiply
    94,198.86x = 129,995.90 × 51,179.20
  4. Step 4: Simplify right side
    94,198.86x = 6,653,085,997.99
  5. Step 5: Solve for x
    x = 6,653,085,997.99/94,198.86
  6. Step 6: Final answer
    x = 70,628.10

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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.