Home / 142,928.44-214,372.80-100,104.16

Finding the Fourth Proportional to 142,928.44, 214,372.80 and 100,104.16

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Solution

The fourth proportional to 142,928.44, 214,372.80 and 100,104.16 is: 150,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,928.44 : 214,372.80 = 100,104.16 : x
  2. Step 2: Convert to fraction form
    142,928.44/214,372.80 = 100,104.16/x
  3. Step 3: Cross multiply
    142,928.44x = 214,372.80 × 100,104.16
  4. Step 4: Simplify right side
    142,928.44x = 21,459,609,070.85
  5. Step 5: Solve for x
    x = 21,459,609,070.85/142,928.44
  6. Step 6: Final answer
    x = 150,142.33

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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.