Home / 102,034.82-140,801.22-56,709.86

Finding the Fourth Proportional to 102,034.82, 140,801.22 and 56,709.86

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Solution

The fourth proportional to 102,034.82, 140,801.22 and 56,709.86 is: 78,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,034.82 : 140,801.22 = 56,709.86 : x
  2. Step 2: Convert to fraction form
    102,034.82/140,801.22 = 56,709.86/x
  3. Step 3: Cross multiply
    102,034.82x = 140,801.22 × 56,709.86
  4. Step 4: Simplify right side
    102,034.82x = 7,984,817,474.03
  5. Step 5: Solve for x
    x = 7,984,817,474.03/102,034.82
  6. Step 6: Final answer
    x = 78,255.81

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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.