Home / 236,272.88-354,469.20-78,502.16

Finding the Fourth Proportional to 236,272.88, 354,469.20 and 78,502.16

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Solution

The fourth proportional to 236,272.88, 354,469.20 and 78,502.16 is: 117,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,272.88 : 354,469.20 = 78,502.16 : x
  2. Step 2: Convert to fraction form
    236,272.88/354,469.20 = 78,502.16/x
  3. Step 3: Cross multiply
    236,272.88x = 354,469.20 × 78,502.16
  4. Step 4: Simplify right side
    236,272.88x = 27,826,597,853.47
  5. Step 5: Solve for x
    x = 27,826,597,853.47/236,272.88
  6. Step 6: Final answer
    x = 117,773.14

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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.