Home / 137,038.20-205,513.52-43,522.08

Finding the Fourth Proportional to 137,038.20, 205,513.52 and 43,522.08

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Solution

The fourth proportional to 137,038.20, 205,513.52 and 43,522.08 is: 65,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,038.20 : 205,513.52 = 43,522.08 : x
  2. Step 2: Convert to fraction form
    137,038.20/205,513.52 = 43,522.08/x
  3. Step 3: Cross multiply
    137,038.20x = 205,513.52 × 43,522.08
  4. Step 4: Simplify right side
    137,038.20x = 8,944,375,858.52
  5. Step 5: Solve for x
    x = 8,944,375,858.52/137,038.20
  6. Step 6: Final answer
    x = 65,269.22

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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.