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Finding the Fourth Proportional to 144,884.98, 199,950.87 and 81,226.90

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Solution

The fourth proportional to 144,884.98, 199,950.87 and 81,226.90 is: 112,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,884.98 : 199,950.87 = 81,226.90 : x
  2. Step 2: Convert to fraction form
    144,884.98/199,950.87 = 81,226.90/x
  3. Step 3: Cross multiply
    144,884.98x = 199,950.87 × 81,226.90
  4. Step 4: Simplify right side
    144,884.98x = 16,241,389,322.40
  5. Step 5: Solve for x
    x = 16,241,389,322.40/144,884.98
  6. Step 6: Final answer
    x = 112,098.50

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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.