Home / 236,147.91-325,879.27-128,717.00

Finding the Fourth Proportional to 236,147.91, 325,879.27 and 128,717.00

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Solution

The fourth proportional to 236,147.91, 325,879.27 and 128,717.00 is: 177,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,147.91 : 325,879.27 = 128,717.00 : x
  2. Step 2: Convert to fraction form
    236,147.91/325,879.27 = 128,717.00/x
  3. Step 3: Cross multiply
    236,147.91x = 325,879.27 × 128,717.00
  4. Step 4: Simplify right side
    236,147.91x = 41,946,201,267.45
  5. Step 5: Solve for x
    x = 41,946,201,267.45/236,147.91
  6. Step 6: Final answer
    x = 177,626.82

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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.