Home / 147,198.44-220,612.54-79,727.84

Finding the Fourth Proportional to 147,198.44, 220,612.54 and 79,727.84

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Solution

The fourth proportional to 147,198.44, 220,612.54 and 79,727.84 is: 119,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,198.44 : 220,612.54 = 79,727.84 : x
  2. Step 2: Convert to fraction form
    147,198.44/220,612.54 = 79,727.84/x
  3. Step 3: Cross multiply
    147,198.44x = 220,612.54 × 79,727.84
  4. Step 4: Simplify right side
    147,198.44x = 17,588,961,291.11
  5. Step 5: Solve for x
    x = 17,588,961,291.11/147,198.44
  6. Step 6: Final answer
    x = 119,491.49

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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.