Home / 72,694.24-108,511-63,836.88

Finding the Fourth Proportional to 72,694.24, 108,511 and 63,836.88

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Solution

The fourth proportional to 72,694.24, 108,511 and 63,836.88 is: 95,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,694.24 : 108,511 = 63,836.88 : x
  2. Step 2: Convert to fraction form
    72,694.24/108,511 = 63,836.88/x
  3. Step 3: Cross multiply
    72,694.24x = 108,511 × 63,836.88
  4. Step 4: Simplify right side
    72,694.24x = 6,927,003,685.68
  5. Step 5: Solve for x
    x = 6,927,003,685.68/72,694.24
  6. Step 6: Final answer
    x = 95,289.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.