Home / 121,204.56-181,815.12-41,209.96

Finding the Fourth Proportional to 121,204.56, 181,815.12 and 41,209.96

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Solution

The fourth proportional to 121,204.56, 181,815.12 and 41,209.96 is: 61,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,204.56 : 181,815.12 = 41,209.96 : x
  2. Step 2: Convert to fraction form
    121,204.56/181,815.12 = 41,209.96/x
  3. Step 3: Cross multiply
    121,204.56x = 181,815.12 × 41,209.96
  4. Step 4: Simplify right side
    121,204.56x = 7,492,593,822.60
  5. Step 5: Solve for x
    x = 7,492,593,822.60/121,204.56
  6. Step 6: Final answer
    x = 61,817.76

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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.