Home / 137,659.26-206,564.10-53,422.74

Finding the Fourth Proportional to 137,659.26, 206,564.10 and 53,422.74

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Solution

The fourth proportional to 137,659.26, 206,564.10 and 53,422.74 is: 80,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659.26 : 206,564.10 = 53,422.74 : x
  2. Step 2: Convert to fraction form
    137,659.26/206,564.10 = 53,422.74/x
  3. Step 3: Cross multiply
    137,659.26x = 206,564.10 × 53,422.74
  4. Step 4: Simplify right side
    137,659.26x = 11,035,220,207.63
  5. Step 5: Solve for x
    x = 11,035,220,207.63/137,659.26
  6. Step 6: Final answer
    x = 80,163.30

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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.