Home / 112,785.84-169,164.18-53,659.08

Finding the Fourth Proportional to 112,785.84, 169,164.18 and 53,659.08

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Solution

The fourth proportional to 112,785.84, 169,164.18 and 53,659.08 is: 80,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,785.84 : 169,164.18 = 53,659.08 : x
  2. Step 2: Convert to fraction form
    112,785.84/169,164.18 = 53,659.08/x
  3. Step 3: Cross multiply
    112,785.84x = 169,164.18 × 53,659.08
  4. Step 4: Simplify right side
    112,785.84x = 9,077,194,267.75
  5. Step 5: Solve for x
    x = 9,077,194,267.75/112,785.84
  6. Step 6: Final answer
    x = 80,481.68

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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.