Home / 206,983.85-310,596.24-87,032.12

Finding the Fourth Proportional to 206,983.85, 310,596.24 and 87,032.12

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Solution

The fourth proportional to 206,983.85, 310,596.24 and 87,032.12 is: 130,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,983.85 : 310,596.24 = 87,032.12 : x
  2. Step 2: Convert to fraction form
    206,983.85/310,596.24 = 87,032.12/x
  3. Step 3: Cross multiply
    206,983.85x = 310,596.24 × 87,032.12
  4. Step 4: Simplify right side
    206,983.85x = 27,031,848,004.62
  5. Step 5: Solve for x
    x = 27,031,848,004.62/206,983.85
  6. Step 6: Final answer
    x = 130,598.83

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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.