Home / 143,289.90-214,934.58-38,108.97

Finding the Fourth Proportional to 143,289.90, 214,934.58 and 38,108.97

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Solution

The fourth proportional to 143,289.90, 214,934.58 and 38,108.97 is: 57,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,289.90 : 214,934.58 = 38,108.97 : x
  2. Step 2: Convert to fraction form
    143,289.90/214,934.58 = 38,108.97/x
  3. Step 3: Cross multiply
    143,289.90x = 214,934.58 × 38,108.97
  4. Step 4: Simplify right side
    143,289.90x = 8,190,935,461.18
  5. Step 5: Solve for x
    x = 8,190,935,461.18/143,289.90
  6. Step 6: Final answer
    x = 57,163.38

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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.