Home / 206,345.24-309,605.34-112,741.64

Finding the Fourth Proportional to 206,345.24, 309,605.34 and 112,741.64

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Solution

The fourth proportional to 206,345.24, 309,605.34 and 112,741.64 is: 169,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,345.24 : 309,605.34 = 112,741.64 : x
  2. Step 2: Convert to fraction form
    206,345.24/309,605.34 = 112,741.64/x
  3. Step 3: Cross multiply
    206,345.24x = 309,605.34 × 112,741.64
  4. Step 4: Simplify right side
    206,345.24x = 34,905,413,784.36
  5. Step 5: Solve for x
    x = 34,905,413,784.36/206,345.24
  6. Step 6: Final answer
    x = 169,160.26

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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.