Home / 119,910.42-179,866.17-31,157.64

Finding the Fourth Proportional to 119,910.42, 179,866.17 and 31,157.64

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Solution

The fourth proportional to 119,910.42, 179,866.17 and 31,157.64 is: 46,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,910.42 : 179,866.17 = 31,157.64 : x
  2. Step 2: Convert to fraction form
    119,910.42/179,866.17 = 31,157.64/x
  3. Step 3: Cross multiply
    119,910.42x = 179,866.17 × 31,157.64
  4. Step 4: Simplify right side
    119,910.42x = 5,604,205,373.04
  5. Step 5: Solve for x
    x = 5,604,205,373.04/119,910.42
  6. Step 6: Final answer
    x = 46,736.60

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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.