Home / 143,977.84-215,971.82-38,799.32

Finding the Fourth Proportional to 143,977.84, 215,971.82 and 38,799.32

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Solution

The fourth proportional to 143,977.84, 215,971.82 and 38,799.32 is: 58,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,977.84 : 215,971.82 = 38,799.32 : x
  2. Step 2: Convert to fraction form
    143,977.84/215,971.82 = 38,799.32/x
  3. Step 3: Cross multiply
    143,977.84x = 215,971.82 × 38,799.32
  4. Step 4: Simplify right side
    143,977.84x = 8,379,559,755.16
  5. Step 5: Solve for x
    x = 8,379,559,755.16/143,977.84
  6. Step 6: Final answer
    x = 58,200.34

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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.