Home / 229,120.19-343,710.44-85,006.38

Finding the Fourth Proportional to 229,120.19, 343,710.44 and 85,006.38

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Solution

The fourth proportional to 229,120.19, 343,710.44 and 85,006.38 is: 127,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,120.19 : 343,710.44 = 85,006.38 : x
  2. Step 2: Convert to fraction form
    229,120.19/343,710.44 = 85,006.38/x
  3. Step 3: Cross multiply
    229,120.19x = 343,710.44 × 85,006.38
  4. Step 4: Simplify right side
    229,120.19x = 29,217,581,774.04
  5. Step 5: Solve for x
    x = 29,217,581,774.04/229,120.19
  6. Step 6: Final answer
    x = 127,520.76

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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.