Home / 126,238.64-174,203.46-72,485.82

Finding the Fourth Proportional to 126,238.64, 174,203.46 and 72,485.82

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Solution

The fourth proportional to 126,238.64, 174,203.46 and 72,485.82 is: 100,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,238.64 : 174,203.46 = 72,485.82 : x
  2. Step 2: Convert to fraction form
    126,238.64/174,203.46 = 72,485.82/x
  3. Step 3: Cross multiply
    126,238.64x = 174,203.46 × 72,485.82
  4. Step 4: Simplify right side
    126,238.64x = 12,627,280,644.94
  5. Step 5: Solve for x
    x = 12,627,280,644.94/126,238.64
  6. Step 6: Final answer
    x = 100,027.07

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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.