Home / 201,047.47-301,571.32-126,220.17

Finding the Fourth Proportional to 201,047.47, 301,571.32 and 126,220.17

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Solution

The fourth proportional to 201,047.47, 301,571.32 and 126,220.17 is: 189,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,047.47 : 301,571.32 = 126,220.17 : x
  2. Step 2: Convert to fraction form
    201,047.47/301,571.32 = 126,220.17/x
  3. Step 3: Cross multiply
    201,047.47x = 301,571.32 × 126,220.17
  4. Step 4: Simplify right side
    201,047.47x = 38,064,382,961.97
  5. Step 5: Solve for x
    x = 38,064,382,961.97/201,047.47
  6. Step 6: Final answer
    x = 189,330.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.