Home / 144,342.52-199,196.26-80,690.92

Finding the Fourth Proportional to 144,342.52, 199,196.26 and 80,690.92

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Solution

The fourth proportional to 144,342.52, 199,196.26 and 80,690.92 is: 111,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,342.52 : 199,196.26 = 80,690.92 : x
  2. Step 2: Convert to fraction form
    144,342.52/199,196.26 = 80,690.92/x
  3. Step 3: Cross multiply
    144,342.52x = 199,196.26 × 80,690.92
  4. Step 4: Simplify right side
    144,342.52x = 16,073,329,479.96
  5. Step 5: Solve for x
    x = 16,073,329,479.96/144,342.52
  6. Step 6: Final answer
    x = 111,355.47

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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.