Home / 106,168.32-146,511.72-58,420.44

Finding the Fourth Proportional to 106,168.32, 146,511.72 and 58,420.44

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Solution

The fourth proportional to 106,168.32, 146,511.72 and 58,420.44 is: 80,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,168.32 : 146,511.72 = 58,420.44 : x
  2. Step 2: Convert to fraction form
    106,168.32/146,511.72 = 58,420.44/x
  3. Step 3: Cross multiply
    106,168.32x = 146,511.72 × 58,420.44
  4. Step 4: Simplify right side
    106,168.32x = 8,559,279,147.56
  5. Step 5: Solve for x
    x = 8,559,279,147.56/106,168.32
  6. Step 6: Final answer
    x = 80,619.90

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1.5x scale

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.