Home / 138,519.72-207,794.57-43,752.35

Finding the Fourth Proportional to 138,519.72, 207,794.57 and 43,752.35

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Solution

The fourth proportional to 138,519.72, 207,794.57 and 43,752.35 is: 65,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,519.72 : 207,794.57 = 43,752.35 : x
  2. Step 2: Convert to fraction form
    138,519.72/207,794.57 = 43,752.35/x
  3. Step 3: Cross multiply
    138,519.72x = 207,794.57 × 43,752.35
  4. Step 4: Simplify right side
    138,519.72x = 9,091,501,055.46
  5. Step 5: Solve for x
    x = 9,091,501,055.46/138,519.72
  6. Step 6: Final answer
    x = 65,633.26

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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.