Home / 309,118.08-463,708.55-106,687.83

Finding the Fourth Proportional to 309,118.08, 463,708.55 and 106,687.83

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Solution

The fourth proportional to 309,118.08, 463,708.55 and 106,687.83 is: 160,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,118.08 : 463,708.55 = 106,687.83 : x
  2. Step 2: Convert to fraction form
    309,118.08/463,708.55 = 106,687.83/x
  3. Step 3: Cross multiply
    309,118.08x = 463,708.55 × 106,687.83
  4. Step 4: Simplify right side
    309,118.08x = 49,472,059,577.78
  5. Step 5: Solve for x
    x = 49,472,059,577.78/309,118.08
  6. Step 6: Final answer
    x = 160,042.60

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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.