Home / 102,928.45-142,014.26-59,310.27

Finding the Fourth Proportional to 102,928.45, 142,014.26 and 59,310.27

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Solution

The fourth proportional to 102,928.45, 142,014.26 and 59,310.27 is: 81,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,928.45 : 142,014.26 = 59,310.27 : x
  2. Step 2: Convert to fraction form
    102,928.45/142,014.26 = 59,310.27/x
  3. Step 3: Cross multiply
    102,928.45x = 142,014.26 × 59,310.27
  4. Step 4: Simplify right side
    102,928.45x = 8,422,904,104.45
  5. Step 5: Solve for x
    x = 8,422,904,104.45/102,928.45
  6. Step 6: Final answer
    x = 81,832.61

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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.