Home / 172,571.25-238,221.78-116,015.43

Finding the Fourth Proportional to 172,571.25, 238,221.78 and 116,015.43

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Solution

The fourth proportional to 172,571.25, 238,221.78 and 116,015.43 is: 160,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,571.25 : 238,221.78 = 116,015.43 : x
  2. Step 2: Convert to fraction form
    172,571.25/238,221.78 = 116,015.43/x
  3. Step 3: Cross multiply
    172,571.25x = 238,221.78 × 116,015.43
  4. Step 4: Simplify right side
    172,571.25x = 27,637,402,242.07
  5. Step 5: Solve for x
    x = 27,637,402,242.07/172,571.25
  6. Step 6: Final answer
    x = 160,150.68

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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.