Home / 136,029.26-187,720.76-75,599.71

Finding the Fourth Proportional to 136,029.26, 187,720.76 and 75,599.71

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Solution

The fourth proportional to 136,029.26, 187,720.76 and 75,599.71 is: 104,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,029.26 : 187,720.76 = 75,599.71 : x
  2. Step 2: Convert to fraction form
    136,029.26/187,720.76 = 75,599.71/x
  3. Step 3: Cross multiply
    136,029.26x = 187,720.76 × 75,599.71
  4. Step 4: Simplify right side
    136,029.26x = 14,191,635,016.98
  5. Step 5: Solve for x
    x = 14,191,635,016.98/136,029.26
  6. Step 6: Final answer
    x = 104,327.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.