Home / 236,140.92-325,872.72-128,710.62

Finding the Fourth Proportional to 236,140.92, 325,872.72 and 128,710.62

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Solution

The fourth proportional to 236,140.92, 325,872.72 and 128,710.62 is: 177,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,140.92 : 325,872.72 = 128,710.62 : x
  2. Step 2: Convert to fraction form
    236,140.92/325,872.72 = 128,710.62/x
  3. Step 3: Cross multiply
    236,140.92x = 325,872.72 × 128,710.62
  4. Step 4: Simplify right side
    236,140.92x = 41,943,279,832.29
  5. Step 5: Solve for x
    x = 41,943,279,832.29/236,140.92
  6. Step 6: Final answer
    x = 177,619.70

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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.