Home / 137,680.02-206,522.32-37,839.60

Finding the Fourth Proportional to 137,680.02, 206,522.32 and 37,839.60

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Solution

The fourth proportional to 137,680.02, 206,522.32 and 37,839.60 is: 56,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,680.02 : 206,522.32 = 37,839.60 : x
  2. Step 2: Convert to fraction form
    137,680.02/206,522.32 = 37,839.60/x
  3. Step 3: Cross multiply
    137,680.02x = 206,522.32 × 37,839.60
  4. Step 4: Simplify right side
    137,680.02x = 7,814,721,979.87
  5. Step 5: Solve for x
    x = 7,814,721,979.87/137,680.02
  6. Step 6: Final answer
    x = 56,760.03

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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.