Home / 138,022.41-207,033.30-43,259.81

Finding the Fourth Proportional to 138,022.41, 207,033.30 and 43,259.81

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Solution

The fourth proportional to 138,022.41, 207,033.30 and 43,259.81 is: 64,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,022.41 : 207,033.30 = 43,259.81 : x
  2. Step 2: Convert to fraction form
    138,022.41/207,033.30 = 43,259.81/x
  3. Step 3: Cross multiply
    138,022.41x = 207,033.30 × 43,259.81
  4. Step 4: Simplify right side
    138,022.41x = 8,956,221,221.67
  5. Step 5: Solve for x
    x = 8,956,221,221.67/138,022.41
  6. Step 6: Final answer
    x = 64,889.62

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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.