Home / 219,739.12-329,640.24-67,948.02

Finding the Fourth Proportional to 219,739.12, 329,640.24 and 67,948.02

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Solution

The fourth proportional to 219,739.12, 329,640.24 and 67,948.02 is: 101,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,739.12 : 329,640.24 = 67,948.02 : x
  2. Step 2: Convert to fraction form
    219,739.12/329,640.24 = 67,948.02/x
  3. Step 3: Cross multiply
    219,739.12x = 329,640.24 × 67,948.02
  4. Step 4: Simplify right side
    219,739.12x = 22,398,401,620.32
  5. Step 5: Solve for x
    x = 22,398,401,620.32/219,739.12
  6. Step 6: Final answer
    x = 101,931.79

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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.