Home / 144,359.06-199,216.78-79,832.63

Finding the Fourth Proportional to 144,359.06, 199,216.78 and 79,832.63

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Solution

The fourth proportional to 144,359.06, 199,216.78 and 79,832.63 is: 110,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,359.06 : 199,216.78 = 79,832.63 : x
  2. Step 2: Convert to fraction form
    144,359.06/199,216.78 = 79,832.63/x
  3. Step 3: Cross multiply
    144,359.06x = 199,216.78 × 79,832.63
  4. Step 4: Simplify right side
    144,359.06x = 15,904,000,185.15
  5. Step 5: Solve for x
    x = 15,904,000,185.15/144,359.06
  6. Step 6: Final answer
    x = 110,169.74

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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.