Home / 144,834.28-199,867.89-80,303.20

Finding the Fourth Proportional to 144,834.28, 199,867.89 and 80,303.20

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Solution

The fourth proportional to 144,834.28, 199,867.89 and 80,303.20 is: 110,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,834.28 : 199,867.89 = 80,303.20 : x
  2. Step 2: Convert to fraction form
    144,834.28/199,867.89 = 80,303.20/x
  3. Step 3: Cross multiply
    144,834.28x = 199,867.89 × 80,303.20
  4. Step 4: Simplify right side
    144,834.28x = 16,050,031,144.25
  5. Step 5: Solve for x
    x = 16,050,031,144.25/144,834.28
  6. Step 6: Final answer
    x = 110,816.52

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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.