Home / 137,366.69-206,126.57-74,185.47

Finding the Fourth Proportional to 137,366.69, 206,126.57 and 74,185.47

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Solution

The fourth proportional to 137,366.69, 206,126.57 and 74,185.47 is: 111,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,366.69 : 206,126.57 = 74,185.47 : x
  2. Step 2: Convert to fraction form
    137,366.69/206,126.57 = 74,185.47/x
  3. Step 3: Cross multiply
    137,366.69x = 206,126.57 × 74,185.47
  4. Step 4: Simplify right side
    137,366.69x = 15,291,596,660.40
  5. Step 5: Solve for x
    x = 15,291,596,660.40/137,366.69
  6. Step 6: Final answer
    x = 111,319.54

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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.