Home / 119,977.14-179,972.25-31,230.90

Finding the Fourth Proportional to 119,977.14, 179,972.25 and 31,230.90

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Solution

The fourth proportional to 119,977.14, 179,972.25 and 31,230.90 is: 46,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.14 : 179,972.25 = 31,230.90 : x
  2. Step 2: Convert to fraction form
    119,977.14/179,972.25 = 31,230.90/x
  3. Step 3: Cross multiply
    119,977.14x = 179,972.25 × 31,230.90
  4. Step 4: Simplify right side
    119,977.14x = 5,620,695,342.53
  5. Step 5: Solve for x
    x = 5,620,695,342.53/119,977.14
  6. Step 6: Final answer
    x = 46,848.05

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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.