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Finding the Fourth Proportional to 144,855.61, 199,901.18 and 80,329.39

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Solution

The fourth proportional to 144,855.61, 199,901.18 and 80,329.39 is: 110,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,855.61 : 199,901.18 = 80,329.39 : x
  2. Step 2: Convert to fraction form
    144,855.61/199,901.18 = 80,329.39/x
  3. Step 3: Cross multiply
    144,855.61x = 199,901.18 × 80,329.39
  4. Step 4: Simplify right side
    144,855.61x = 16,057,939,550.75
  5. Step 5: Solve for x
    x = 16,057,939,550.75/144,855.61
  6. Step 6: Final answer
    x = 110,854.80

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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.