Home / 137,517.34-206,276.20-37,678.40

Finding the Fourth Proportional to 137,517.34, 206,276.20 and 37,678.40

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Solution

The fourth proportional to 137,517.34, 206,276.20 and 37,678.40 is: 56,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,517.34 : 206,276.20 = 37,678.40 : x
  2. Step 2: Convert to fraction form
    137,517.34/206,276.20 = 37,678.40/x
  3. Step 3: Cross multiply
    137,517.34x = 206,276.20 × 37,678.40
  4. Step 4: Simplify right side
    137,517.34x = 7,772,157,174.08
  5. Step 5: Solve for x
    x = 7,772,157,174.08/137,517.34
  6. Step 6: Final answer
    x = 56,517.65

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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.