Home / 236,154.96-325,889.64-128,725.92

Finding the Fourth Proportional to 236,154.96, 325,889.64 and 128,725.92

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Solution

The fourth proportional to 236,154.96, 325,889.64 and 128,725.92 is: 177,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,154.96 : 325,889.64 = 128,725.92 : x
  2. Step 2: Convert to fraction form
    236,154.96/325,889.64 = 128,725.92/x
  3. Step 3: Cross multiply
    236,154.96x = 325,889.64 × 128,725.92
  4. Step 4: Simplify right side
    236,154.96x = 41,950,443,727.47
  5. Step 5: Solve for x
    x = 41,950,443,727.47/236,154.96
  6. Step 6: Final answer
    x = 177,639.48

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1.5x scale

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.