Home / 143,315.18-214,972.47-38,134.15

Finding the Fourth Proportional to 143,315.18, 214,972.47 and 38,134.15

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Solution

The fourth proportional to 143,315.18, 214,972.47 and 38,134.15 is: 57,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,315.18 : 214,972.47 = 38,134.15 : x
  2. Step 2: Convert to fraction form
    143,315.18/214,972.47 = 38,134.15/x
  3. Step 3: Cross multiply
    143,315.18x = 214,972.47 × 38,134.15
  4. Step 4: Simplify right side
    143,315.18x = 8,197,792,416.85
  5. Step 5: Solve for x
    x = 8,197,792,416.85/143,315.18
  6. Step 6: Final answer
    x = 57,201.15

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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.