Home / 335,816.10-503,721.09-136,089

Finding the Fourth Proportional to 335,816.10, 503,721.09 and 136,089

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Solution

The fourth proportional to 335,816.10, 503,721.09 and 136,089 is: 204,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,816.10 : 503,721.09 = 136,089 : x
  2. Step 2: Convert to fraction form
    335,816.10/503,721.09 = 136,089/x
  3. Step 3: Cross multiply
    335,816.10x = 503,721.09 × 136,089
  4. Step 4: Simplify right side
    335,816.10x = 68,550,899,417.01
  5. Step 5: Solve for x
    x = 68,550,899,417.01/335,816.10
  6. Step 6: Final answer
    x = 204,132.26

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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.