Home / 142,193.07-213,310.26-57,958.34

Finding the Fourth Proportional to 142,193.07, 213,310.26 and 57,958.34

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Solution

The fourth proportional to 142,193.07, 213,310.26 and 57,958.34 is: 86,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,193.07 : 213,310.26 = 57,958.34 : x
  2. Step 2: Convert to fraction form
    142,193.07/213,310.26 = 57,958.34/x
  3. Step 3: Cross multiply
    142,193.07x = 213,310.26 × 57,958.34
  4. Step 4: Simplify right side
    142,193.07x = 12,363,107,508.02
  5. Step 5: Solve for x
    x = 12,363,107,508.02/142,193.07
  6. Step 6: Final answer
    x = 86,945.92

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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.