Home / 137,138.10-205,633.18-62,217.36

Finding the Fourth Proportional to 137,138.10, 205,633.18 and 62,217.36

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Solution

The fourth proportional to 137,138.10, 205,633.18 and 62,217.36 is: 93,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,138.10 : 205,633.18 = 62,217.36 : x
  2. Step 2: Convert to fraction form
    137,138.10/205,633.18 = 62,217.36/x
  3. Step 3: Cross multiply
    137,138.10x = 205,633.18 × 62,217.36
  4. Step 4: Simplify right side
    137,138.10x = 12,793,953,954.95
  5. Step 5: Solve for x
    x = 12,793,953,954.95/137,138.10
  6. Step 6: Final answer
    x = 93,292.49

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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.