Home / 112,828.64-169,242.56-50,455.36

Finding the Fourth Proportional to 112,828.64, 169,242.56 and 50,455.36

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Solution

The fourth proportional to 112,828.64, 169,242.56 and 50,455.36 is: 75,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,828.64 : 169,242.56 = 50,455.36 : x
  2. Step 2: Convert to fraction form
    112,828.64/169,242.56 = 50,455.36/x
  3. Step 3: Cross multiply
    112,828.64x = 169,242.56 × 50,455.36
  4. Step 4: Simplify right side
    112,828.64x = 8,539,194,292.12
  5. Step 5: Solve for x
    x = 8,539,194,292.12/112,828.64
  6. Step 6: Final answer
    x = 75,682.86

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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.