Home / 119,912.67-179,869.55-31,159.89

Finding the Fourth Proportional to 119,912.67, 179,869.55 and 31,159.89

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Solution

The fourth proportional to 119,912.67, 179,869.55 and 31,159.89 is: 46,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,912.67 : 179,869.55 = 31,159.89 : x
  2. Step 2: Convert to fraction form
    119,912.67/179,869.55 = 31,159.89/x
  3. Step 3: Cross multiply
    119,912.67x = 179,869.55 × 31,159.89
  4. Step 4: Simplify right side
    119,912.67x = 5,604,715,236.55
  5. Step 5: Solve for x
    x = 5,604,715,236.55/119,912.67
  6. Step 6: Final answer
    x = 46,739.98

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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.