Home / 144,234.24-199,030.08-80,563.20

Finding the Fourth Proportional to 144,234.24, 199,030.08 and 80,563.20

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Solution

The fourth proportional to 144,234.24, 199,030.08 and 80,563.20 is: 111,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,234.24 : 199,030.08 = 80,563.20 : x
  2. Step 2: Convert to fraction form
    144,234.24/199,030.08 = 80,563.20/x
  3. Step 3: Cross multiply
    144,234.24x = 199,030.08 × 80,563.20
  4. Step 4: Simplify right side
    144,234.24x = 16,034,500,141.06
  5. Step 5: Solve for x
    x = 16,034,500,141.06/144,234.24
  6. Step 6: Final answer
    x = 111,169.86

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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.