Home / 99,336.21-137,084.65-54,014.69

Finding the Fourth Proportional to 99,336.21, 137,084.65 and 54,014.69

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Solution

The fourth proportional to 99,336.21, 137,084.65 and 54,014.69 is: 74,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,336.21 : 137,084.65 = 54,014.69 : x
  2. Step 2: Convert to fraction form
    99,336.21/137,084.65 = 54,014.69/x
  3. Step 3: Cross multiply
    99,336.21x = 137,084.65 × 54,014.69
  4. Step 4: Simplify right side
    99,336.21x = 7,404,584,053.05
  5. Step 5: Solve for x
    x = 7,404,584,053.05/99,336.21
  6. Step 6: Final answer
    x = 74,540.63

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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.