Home / 104,134.12-156,205.50-30,262.12

Finding the Fourth Proportional to 104,134.12, 156,205.50 and 30,262.12

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Solution

The fourth proportional to 104,134.12, 156,205.50 and 30,262.12 is: 45,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,134.12 : 156,205.50 = 30,262.12 : x
  2. Step 2: Convert to fraction form
    104,134.12/156,205.50 = 30,262.12/x
  3. Step 3: Cross multiply
    104,134.12x = 156,205.50 × 30,262.12
  4. Step 4: Simplify right side
    104,134.12x = 4,727,109,585.66
  5. Step 5: Solve for x
    x = 4,727,109,585.66/104,134.12
  6. Step 6: Final answer
    x = 45,394.44

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1.5x scale

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.