Home / 119,930.20-179,892.80-39,973.96

Finding the Fourth Proportional to 119,930.20, 179,892.80 and 39,973.96

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Solution

The fourth proportional to 119,930.20, 179,892.80 and 39,973.96 is: 59,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,930.20 : 179,892.80 = 39,973.96 : x
  2. Step 2: Convert to fraction form
    119,930.20/179,892.80 = 39,973.96/x
  3. Step 3: Cross multiply
    119,930.20x = 179,892.80 × 39,973.96
  4. Step 4: Simplify right side
    119,930.20x = 7,191,027,591.49
  5. Step 5: Solve for x
    x = 7,191,027,591.49/119,930.20
  6. Step 6: Final answer
    x = 59,960.11

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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.