Home / 137,964.66-206,946.48-38,124.66

Finding the Fourth Proportional to 137,964.66, 206,946.48 and 38,124.66

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Solution

The fourth proportional to 137,964.66, 206,946.48 and 38,124.66 is: 57,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,964.66 : 206,946.48 = 38,124.66 : x
  2. Step 2: Convert to fraction form
    137,964.66/206,946.48 = 38,124.66/x
  3. Step 3: Cross multiply
    137,964.66x = 206,946.48 × 38,124.66
  4. Step 4: Simplify right side
    137,964.66x = 7,889,764,188.20
  5. Step 5: Solve for x
    x = 7,889,764,188.20/137,964.66
  6. Step 6: Final answer
    x = 57,186.85

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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.