Home / 146,008.12-219,381.24-140,103.24

Finding the Fourth Proportional to 146,008.12, 219,381.24 and 140,103.24

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Solution

The fourth proportional to 146,008.12, 219,381.24 and 140,103.24 is: 210,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,008.12 : 219,381.24 = 140,103.24 : x
  2. Step 2: Convert to fraction form
    146,008.12/219,381.24 = 140,103.24/x
  3. Step 3: Cross multiply
    146,008.12x = 219,381.24 × 140,103.24
  4. Step 4: Simplify right side
    146,008.12x = 30,736,022,519.22
  5. Step 5: Solve for x
    x = 30,736,022,519.22/146,008.12
  6. Step 6: Final answer
    x = 210,508.99

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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.