Home / 204,570.57-307,045.06-103,439.93

Finding the Fourth Proportional to 204,570.57, 307,045.06 and 103,439.93

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Solution

The fourth proportional to 204,570.57, 307,045.06 and 103,439.93 is: 155,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,570.57 : 307,045.06 = 103,439.93 : x
  2. Step 2: Convert to fraction form
    204,570.57/307,045.06 = 103,439.93/x
  3. Step 3: Cross multiply
    204,570.57x = 307,045.06 × 103,439.93
  4. Step 4: Simplify right side
    204,570.57x = 31,760,720,080.07
  5. Step 5: Solve for x
    x = 31,760,720,080.07/204,570.57
  6. Step 6: Final answer
    x = 155,255.57

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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.