Home / 137,846.90-206,742.75-37,981.46

Finding the Fourth Proportional to 137,846.90, 206,742.75 and 37,981.46

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Solution

The fourth proportional to 137,846.90, 206,742.75 and 37,981.46 is: 56,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,846.90 : 206,742.75 = 37,981.46 : x
  2. Step 2: Convert to fraction form
    137,846.90/206,742.75 = 37,981.46/x
  3. Step 3: Cross multiply
    137,846.90x = 206,742.75 × 37,981.46
  4. Step 4: Simplify right side
    137,846.90x = 7,852,391,489.42
  5. Step 5: Solve for x
    x = 7,852,391,489.42/137,846.90
  6. Step 6: Final answer
    x = 56,964.59

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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.