Home / 144,296.62-199,129.02-80,634.42

Finding the Fourth Proportional to 144,296.62, 199,129.02 and 80,634.42

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Solution

The fourth proportional to 144,296.62, 199,129.02 and 80,634.42 is: 111,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,296.62 : 199,129.02 = 80,634.42 : x
  2. Step 2: Convert to fraction form
    144,296.62/199,129.02 = 80,634.42/x
  3. Step 3: Cross multiply
    144,296.62x = 199,129.02 × 80,634.42
  4. Step 4: Simplify right side
    144,296.62x = 16,056,652,730.49
  5. Step 5: Solve for x
    x = 16,056,652,730.49/144,296.62
  6. Step 6: Final answer
    x = 111,275.32

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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.