Home / 138,037.31-207,058.56-43,265.40

Finding the Fourth Proportional to 138,037.31, 207,058.56 and 43,265.40

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Solution

The fourth proportional to 138,037.31, 207,058.56 and 43,265.40 is: 64,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,037.31 : 207,058.56 = 43,265.40 : x
  2. Step 2: Convert to fraction form
    138,037.31/207,058.56 = 43,265.40/x
  3. Step 3: Cross multiply
    138,037.31x = 207,058.56 × 43,265.40
  4. Step 4: Simplify right side
    138,037.31x = 8,958,471,205.50
  5. Step 5: Solve for x
    x = 8,958,471,205.50/138,037.31
  6. Step 6: Final answer
    x = 64,898.91

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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.