Home / 137,269.18-205,568.43-84,606.22

Finding the Fourth Proportional to 137,269.18, 205,568.43 and 84,606.22

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Solution

The fourth proportional to 137,269.18, 205,568.43 and 84,606.22 is: 126,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,269.18 : 205,568.43 = 84,606.22 : x
  2. Step 2: Convert to fraction form
    137,269.18/205,568.43 = 84,606.22/x
  3. Step 3: Cross multiply
    137,269.18x = 205,568.43 × 84,606.22
  4. Step 4: Simplify right side
    137,269.18x = 17,392,367,813.63
  5. Step 5: Solve for x
    x = 17,392,367,813.63/137,269.18
  6. Step 6: Final answer
    x = 126,702.64

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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.