Home / 92,777.12-139,183.04-42,179.84

Finding the Fourth Proportional to 92,777.12, 139,183.04 and 42,179.84

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Solution

The fourth proportional to 92,777.12, 139,183.04 and 42,179.84 is: 63,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.12 : 139,183.04 = 42,179.84 : x
  2. Step 2: Convert to fraction form
    92,777.12/139,183.04 = 42,179.84/x
  3. Step 3: Cross multiply
    92,777.12x = 139,183.04 × 42,179.84
  4. Step 4: Simplify right side
    92,777.12x = 5,870,718,357.91
  5. Step 5: Solve for x
    x = 5,870,718,357.91/92,777.12
  6. Step 6: Final answer
    x = 63,277.65

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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.