Home / 193,861.71-290,743.95-137,537.55

Finding the Fourth Proportional to 193,861.71, 290,743.95 and 137,537.55

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Solution

The fourth proportional to 193,861.71, 290,743.95 and 137,537.55 is: 206,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,861.71 : 290,743.95 = 137,537.55 : x
  2. Step 2: Convert to fraction form
    193,861.71/290,743.95 = 137,537.55/x
  3. Step 3: Cross multiply
    193,861.71x = 290,743.95 × 137,537.55
  4. Step 4: Simplify right side
    193,861.71x = 39,988,210,560.32
  5. Step 5: Solve for x
    x = 39,988,210,560.32/193,861.71
  6. Step 6: Final answer
    x = 206,271.83

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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.