Home / 236,561.28-354,947.52-128,523.44

Finding the Fourth Proportional to 236,561.28, 354,947.52 and 128,523.44

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Solution

The fourth proportional to 236,561.28, 354,947.52 and 128,523.44 is: 192,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,561.28 : 354,947.52 = 128,523.44 : x
  2. Step 2: Convert to fraction form
    236,561.28/354,947.52 = 128,523.44/x
  3. Step 3: Cross multiply
    236,561.28x = 354,947.52 × 128,523.44
  4. Step 4: Simplify right side
    236,561.28x = 45,619,076,289.87
  5. Step 5: Solve for x
    x = 45,619,076,289.87/236,561.28
  6. Step 6: Final answer
    x = 192,842.53

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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.