Home / 99,604.68-137,450.45-54,281.69

Finding the Fourth Proportional to 99,604.68, 137,450.45 and 54,281.69

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Solution

The fourth proportional to 99,604.68, 137,450.45 and 54,281.69 is: 74,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,604.68 : 137,450.45 = 54,281.69 : x
  2. Step 2: Convert to fraction form
    99,604.68/137,450.45 = 54,281.69/x
  3. Step 3: Cross multiply
    99,604.68x = 137,450.45 × 54,281.69
  4. Step 4: Simplify right side
    99,604.68x = 7,461,041,758.60
  5. Step 5: Solve for x
    x = 7,461,041,758.60/99,604.68
  6. Step 6: Final answer
    x = 74,906.54

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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.