Home / 179,221.07-268,832.36-72,607.10

Finding the Fourth Proportional to 179,221.07, 268,832.36 and 72,607.10

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Solution

The fourth proportional to 179,221.07, 268,832.36 and 72,607.10 is: 108,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,221.07 : 268,832.36 = 72,607.10 : x
  2. Step 2: Convert to fraction form
    179,221.07/268,832.36 = 72,607.10/x
  3. Step 3: Cross multiply
    179,221.07x = 268,832.36 × 72,607.10
  4. Step 4: Simplify right side
    179,221.07x = 19,519,136,701.59
  5. Step 5: Solve for x
    x = 19,519,136,701.59/179,221.07
  6. Step 6: Final answer
    x = 108,910.95

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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.