Home / 138,037.19-207,058.37-43,265.27

Finding the Fourth Proportional to 138,037.19, 207,058.37 and 43,265.27

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Solution

The fourth proportional to 138,037.19, 207,058.37 and 43,265.27 is: 64,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,037.19 : 207,058.37 = 43,265.27 : x
  2. Step 2: Convert to fraction form
    138,037.19/207,058.37 = 43,265.27/x
  3. Step 3: Cross multiply
    138,037.19x = 207,058.37 × 43,265.27
  4. Step 4: Simplify right side
    138,037.19x = 8,958,436,585.13
  5. Step 5: Solve for x
    x = 8,958,436,585.13/138,037.19
  6. Step 6: Final answer
    x = 64,898.72

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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.