Home / 142,170.04-213,149.72-67,202.59

Finding the Fourth Proportional to 142,170.04, 213,149.72 and 67,202.59

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Solution

The fourth proportional to 142,170.04, 213,149.72 and 67,202.59 is: 100,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,170.04 : 213,149.72 = 67,202.59 : x
  2. Step 2: Convert to fraction form
    142,170.04/213,149.72 = 67,202.59/x
  3. Step 3: Cross multiply
    142,170.04x = 213,149.72 × 67,202.59
  4. Step 4: Simplify right side
    142,170.04x = 14,324,213,241.77
  5. Step 5: Solve for x
    x = 14,324,213,241.77/142,170.04
  6. Step 6: Final answer
    x = 100,754.09

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1.5x scale

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.