Home / 66,194.20-99,148.72-31,081.24

Finding the Fourth Proportional to 66,194.20, 99,148.72 and 31,081.24

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Solution

The fourth proportional to 66,194.20, 99,148.72 and 31,081.24 is: 46,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194.20 : 99,148.72 = 31,081.24 : x
  2. Step 2: Convert to fraction form
    66,194.20/99,148.72 = 31,081.24/x
  3. Step 3: Cross multiply
    66,194.20x = 99,148.72 × 31,081.24
  4. Step 4: Simplify right side
    66,194.20x = 3,081,665,162.01
  5. Step 5: Solve for x
    x = 3,081,665,162.01/66,194.20
  6. Step 6: Final answer
    x = 46,554.91

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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.