Home / 143,292.90-214,939.08-38,111.98

Finding the Fourth Proportional to 143,292.90, 214,939.08 and 38,111.98

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Solution

The fourth proportional to 143,292.90, 214,939.08 and 38,111.98 is: 57,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292.90 : 214,939.08 = 38,111.98 : x
  2. Step 2: Convert to fraction form
    143,292.90/214,939.08 = 38,111.98/x
  3. Step 3: Cross multiply
    143,292.90x = 214,939.08 × 38,111.98
  4. Step 4: Simplify right side
    143,292.90x = 8,191,753,918.18
  5. Step 5: Solve for x
    x = 8,191,753,918.18/143,292.90
  6. Step 6: Final answer
    x = 57,167.90

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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.