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Finding the Fourth Proportional to 144,860.61, 199,908.08 and 80,334.39

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Solution

The fourth proportional to 144,860.61, 199,908.08 and 80,334.39 is: 110,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,860.61 : 199,908.08 = 80,334.39 : x
  2. Step 2: Convert to fraction form
    144,860.61/199,908.08 = 80,334.39/x
  3. Step 3: Cross multiply
    144,860.61x = 199,908.08 × 80,334.39
  4. Step 4: Simplify right side
    144,860.61x = 16,059,493,662.87
  5. Step 5: Solve for x
    x = 16,059,493,662.87/144,860.61
  6. Step 6: Final answer
    x = 110,861.70

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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.