Home / 104,133.12-156,204-30,261.12

Finding the Fourth Proportional to 104,133.12, 156,204 and 30,261.12

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Solution

The fourth proportional to 104,133.12, 156,204 and 30,261.12 is: 45,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,133.12 : 156,204 = 30,261.12 : x
  2. Step 2: Convert to fraction form
    104,133.12/156,204 = 30,261.12/x
  3. Step 3: Cross multiply
    104,133.12x = 156,204 × 30,261.12
  4. Step 4: Simplify right side
    104,133.12x = 4,726,907,988.48
  5. Step 5: Solve for x
    x = 4,726,907,988.48/104,133.12
  6. Step 6: Final answer
    x = 45,392.94

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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.