Home / 236,285.11-326,081.37-128,861.02

Finding the Fourth Proportional to 236,285.11, 326,081.37 and 128,861.02

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Solution

The fourth proportional to 236,285.11, 326,081.37 and 128,861.02 is: 177,832.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,285.11 : 326,081.37 = 128,861.02 : x
  2. Step 2: Convert to fraction form
    236,285.11/326,081.37 = 128,861.02/x
  3. Step 3: Cross multiply
    236,285.11x = 326,081.37 × 128,861.02
  4. Step 4: Simplify right side
    236,285.11x = 42,019,177,941.20
  5. Step 5: Solve for x
    x = 42,019,177,941.20/236,285.11
  6. Step 6: Final answer
    x = 177,832.53

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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.