Home / 236,110.84-325,823.46-128,678.56

Finding the Fourth Proportional to 236,110.84, 325,823.46 and 128,678.56

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Solution

The fourth proportional to 236,110.84, 325,823.46 and 128,678.56 is: 177,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,110.84 : 325,823.46 = 128,678.56 : x
  2. Step 2: Convert to fraction form
    236,110.84/325,823.46 = 128,678.56/x
  3. Step 3: Cross multiply
    236,110.84x = 325,823.46 × 128,678.56
  4. Step 4: Simplify right side
    236,110.84x = 41,926,492,349.91
  5. Step 5: Solve for x
    x = 41,926,492,349.91/236,110.84
  6. Step 6: Final answer
    x = 177,571.23

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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.