Home / 145,073.43-217,611.36-39,898.17

Finding the Fourth Proportional to 145,073.43, 217,611.36 and 39,898.17

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Solution

The fourth proportional to 145,073.43, 217,611.36 and 39,898.17 is: 59,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,073.43 : 217,611.36 = 39,898.17 : x
  2. Step 2: Convert to fraction form
    145,073.43/217,611.36 = 39,898.17/x
  3. Step 3: Cross multiply
    145,073.43x = 217,611.36 × 39,898.17
  4. Step 4: Simplify right side
    145,073.43x = 8,682,295,035.21
  5. Step 5: Solve for x
    x = 8,682,295,035.21/145,073.43
  6. Step 6: Final answer
    x = 59,847.59

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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.