Home / 137,409.06-206,103.74-42,636.82

Finding the Fourth Proportional to 137,409.06, 206,103.74 and 42,636.82

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Solution

The fourth proportional to 137,409.06, 206,103.74 and 42,636.82 is: 63,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,409.06 : 206,103.74 = 42,636.82 : x
  2. Step 2: Convert to fraction form
    137,409.06/206,103.74 = 42,636.82/x
  3. Step 3: Cross multiply
    137,409.06x = 206,103.74 × 42,636.82
  4. Step 4: Simplify right side
    137,409.06x = 8,787,608,063.71
  5. Step 5: Solve for x
    x = 8,787,608,063.71/137,409.06
  6. Step 6: Final answer
    x = 63,952.17

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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.