Home / 236,082.35-325,784.13-128,650.07

Finding the Fourth Proportional to 236,082.35, 325,784.13 and 128,650.07

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Solution

The fourth proportional to 236,082.35, 325,784.13 and 128,650.07 is: 177,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,082.35 : 325,784.13 = 128,650.07 : x
  2. Step 2: Convert to fraction form
    236,082.35/325,784.13 = 128,650.07/x
  3. Step 3: Cross multiply
    236,082.35x = 325,784.13 × 128,650.07
  4. Step 4: Simplify right side
    236,082.35x = 41,912,149,500.47
  5. Step 5: Solve for x
    x = 41,912,149,500.47/236,082.35
  6. Step 6: Final answer
    x = 177,531.91

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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.