Home / 127,120.92-190,682.73-38,375.16

Finding the Fourth Proportional to 127,120.92, 190,682.73 and 38,375.16

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Solution

The fourth proportional to 127,120.92, 190,682.73 and 38,375.16 is: 57,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,120.92 : 190,682.73 = 38,375.16 : x
  2. Step 2: Convert to fraction form
    127,120.92/190,682.73 = 38,375.16/x
  3. Step 3: Cross multiply
    127,120.92x = 190,682.73 × 38,375.16
  4. Step 4: Simplify right side
    127,120.92x = 7,317,480,272.99
  5. Step 5: Solve for x
    x = 7,317,480,272.99/127,120.92
  6. Step 6: Final answer
    x = 57,563.15

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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.