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Finding the Fourth Proportional to 96,178.86, 132,733.70 and 53,157.43

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Solution

The fourth proportional to 96,178.86, 132,733.70 and 53,157.43 is: 73,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,178.86 : 132,733.70 = 53,157.43 : x
  2. Step 2: Convert to fraction form
    96,178.86/132,733.70 = 53,157.43/x
  3. Step 3: Cross multiply
    96,178.86x = 132,733.70 × 53,157.43
  4. Step 4: Simplify right side
    96,178.86x = 7,055,782,167.45
  5. Step 5: Solve for x
    x = 7,055,782,167.45/96,178.86
  6. Step 6: Final answer
    x = 73,361.05

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1.5x scale

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.