Home / 142,255.71-213,382.76-58,015.44

Finding the Fourth Proportional to 142,255.71, 213,382.76 and 58,015.44

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Solution

The fourth proportional to 142,255.71, 213,382.76 and 58,015.44 is: 87,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,255.71 : 213,382.76 = 58,015.44 : x
  2. Step 2: Convert to fraction form
    142,255.71/213,382.76 = 58,015.44/x
  3. Step 3: Cross multiply
    142,255.71x = 213,382.76 × 58,015.44
  4. Step 4: Simplify right side
    142,255.71x = 12,379,494,419.74
  5. Step 5: Solve for x
    x = 12,379,494,419.74/142,255.71
  6. Step 6: Final answer
    x = 87,022.83

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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.