Home / 99,504.68-137,319.30-54,183.42

Finding the Fourth Proportional to 99,504.68, 137,319.30 and 54,183.42

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Solution

The fourth proportional to 99,504.68, 137,319.30 and 54,183.42 is: 74,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.68 : 137,319.30 = 54,183.42 : x
  2. Step 2: Convert to fraction form
    99,504.68/137,319.30 = 54,183.42/x
  3. Step 3: Cross multiply
    99,504.68x = 137,319.30 × 54,183.42
  4. Step 4: Simplify right side
    99,504.68x = 7,440,429,306.01
  5. Step 5: Solve for x
    x = 7,440,429,306.01/99,504.68
  6. Step 6: Final answer
    x = 74,774.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.