Home / 146,215.10-219,322.65-76,085.30

Finding the Fourth Proportional to 146,215.10, 219,322.65 and 76,085.30

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Solution

The fourth proportional to 146,215.10, 219,322.65 and 76,085.30 is: 114,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,215.10 : 219,322.65 = 76,085.30 : x
  2. Step 2: Convert to fraction form
    146,215.10/219,322.65 = 76,085.30/x
  3. Step 3: Cross multiply
    146,215.10x = 219,322.65 × 76,085.30
  4. Step 4: Simplify right side
    146,215.10x = 16,687,229,622.05
  5. Step 5: Solve for x
    x = 16,687,229,622.05/146,215.10
  6. Step 6: Final answer
    x = 114,127.95

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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.