Home / 99,964.28-149,946.44-40,827.80

Finding the Fourth Proportional to 99,964.28, 149,946.44 and 40,827.80

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Solution

The fourth proportional to 99,964.28, 149,946.44 and 40,827.80 is: 61,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,964.28 : 149,946.44 = 40,827.80 : x
  2. Step 2: Convert to fraction form
    99,964.28/149,946.44 = 40,827.80/x
  3. Step 3: Cross multiply
    99,964.28x = 149,946.44 × 40,827.80
  4. Step 4: Simplify right side
    99,964.28x = 6,121,983,263.03
  5. Step 5: Solve for x
    x = 6,121,983,263.03/99,964.28
  6. Step 6: Final answer
    x = 61,241.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.