Home / 131,804.63-181,890.52-71,375.34

Finding the Fourth Proportional to 131,804.63, 181,890.52 and 71,375.34

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Solution

The fourth proportional to 131,804.63, 181,890.52 and 71,375.34 is: 98,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,804.63 : 181,890.52 = 71,375.34 : x
  2. Step 2: Convert to fraction form
    131,804.63/181,890.52 = 71,375.34/x
  3. Step 3: Cross multiply
    131,804.63x = 181,890.52 × 71,375.34
  4. Step 4: Simplify right side
    131,804.63x = 12,982,498,211.43
  5. Step 5: Solve for x
    x = 12,982,498,211.43/131,804.63
  6. Step 6: Final answer
    x = 98,498.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.