Home / 131,793.57-181,876.64-71,365.59

Finding the Fourth Proportional to 131,793.57, 181,876.64 and 71,365.59

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Solution

The fourth proportional to 131,793.57, 181,876.64 and 71,365.59 is: 98,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,793.57 : 181,876.64 = 71,365.59 : x
  2. Step 2: Convert to fraction form
    131,793.57/181,876.64 = 71,365.59/x
  3. Step 3: Cross multiply
    131,793.57x = 181,876.64 × 71,365.59
  4. Step 4: Simplify right side
    131,793.57x = 12,979,733,363.99
  5. Step 5: Solve for x
    x = 12,979,733,363.99/131,793.57
  6. Step 6: Final answer
    x = 98,485.33

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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.