Home / 156,782.52-216,469.26-120,423.24

Finding the Fourth Proportional to 156,782.52, 216,469.26 and 120,423.24

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Solution

The fourth proportional to 156,782.52, 216,469.26 and 120,423.24 is: 166,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782.52 : 216,469.26 = 120,423.24 : x
  2. Step 2: Convert to fraction form
    156,782.52/216,469.26 = 120,423.24/x
  3. Step 3: Cross multiply
    156,782.52x = 216,469.26 × 120,423.24
  4. Step 4: Simplify right side
    156,782.52x = 26,067,929,649.60
  5. Step 5: Solve for x
    x = 26,067,929,649.60/156,782.52
  6. Step 6: Final answer
    x = 166,268.09

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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.