Home / 84,917.37-127,378.89-38,170.38

Finding the Fourth Proportional to 84,917.37, 127,378.89 and 38,170.38

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Solution

The fourth proportional to 84,917.37, 127,378.89 and 38,170.38 is: 57,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,917.37 : 127,378.89 = 38,170.38 : x
  2. Step 2: Convert to fraction form
    84,917.37/127,378.89 = 38,170.38/x
  3. Step 3: Cross multiply
    84,917.37x = 127,378.89 × 38,170.38
  4. Step 4: Simplify right side
    84,917.37x = 4,862,100,635.28
  5. Step 5: Solve for x
    x = 4,862,100,635.28/84,917.37
  6. Step 6: Final answer
    x = 57,256.84

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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.