Home / 145,174.14-217,761.21-39,993.12

Finding the Fourth Proportional to 145,174.14, 217,761.21 and 39,993.12

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Solution

The fourth proportional to 145,174.14, 217,761.21 and 39,993.12 is: 59,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,174.14 : 217,761.21 = 39,993.12 : x
  2. Step 2: Convert to fraction form
    145,174.14/217,761.21 = 39,993.12/x
  3. Step 3: Cross multiply
    145,174.14x = 217,761.21 × 39,993.12
  4. Step 4: Simplify right side
    145,174.14x = 8,708,950,202.88
  5. Step 5: Solve for x
    x = 8,708,950,202.88/145,174.14
  6. Step 6: Final answer
    x = 59,989.68

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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.