Home / 146,198.12-219,215.16-71,158.50

Finding the Fourth Proportional to 146,198.12, 219,215.16 and 71,158.50

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Solution

The fourth proportional to 146,198.12, 219,215.16 and 71,158.50 is: 106,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,198.12 : 219,215.16 = 71,158.50 : x
  2. Step 2: Convert to fraction form
    146,198.12/219,215.16 = 71,158.50/x
  3. Step 3: Cross multiply
    146,198.12x = 219,215.16 × 71,158.50
  4. Step 4: Simplify right side
    146,198.12x = 15,599,021,962.86
  5. Step 5: Solve for x
    x = 15,599,021,962.86/146,198.12
  6. Step 6: Final answer
    x = 106,697.83

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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.