Home / 131,771.14-181,843.91-71,341.77

Finding the Fourth Proportional to 131,771.14, 181,843.91 and 71,341.77

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Solution

The fourth proportional to 131,771.14, 181,843.91 and 71,341.77 is: 98,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,771.14 : 181,843.91 = 71,341.77 : x
  2. Step 2: Convert to fraction form
    131,771.14/181,843.91 = 71,341.77/x
  3. Step 3: Cross multiply
    131,771.14x = 181,843.91 × 71,341.77
  4. Step 4: Simplify right side
    131,771.14x = 12,973,067,036.08
  5. Step 5: Solve for x
    x = 12,973,067,036.08/131,771.14
  6. Step 6: Final answer
    x = 98,451.50

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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.