Home / 217,746.76-326,620.01-67,999.88

Finding the Fourth Proportional to 217,746.76, 326,620.01 and 67,999.88

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Solution

The fourth proportional to 217,746.76, 326,620.01 and 67,999.88 is: 101,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,746.76 : 326,620.01 = 67,999.88 : x
  2. Step 2: Convert to fraction form
    217,746.76/326,620.01 = 67,999.88/x
  3. Step 3: Cross multiply
    217,746.76x = 326,620.01 × 67,999.88
  4. Step 4: Simplify right side
    217,746.76x = 22,210,121,485.60
  5. Step 5: Solve for x
    x = 22,210,121,485.60/217,746.76
  6. Step 6: Final answer
    x = 101,999.78

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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.