Home / 118,239.36-162,893.07-82,364.46

Finding the Fourth Proportional to 118,239.36, 162,893.07 and 82,364.46

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Solution

The fourth proportional to 118,239.36, 162,893.07 and 82,364.46 is: 113,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,239.36 : 162,893.07 = 82,364.46 : x
  2. Step 2: Convert to fraction form
    118,239.36/162,893.07 = 82,364.46/x
  3. Step 3: Cross multiply
    118,239.36x = 162,893.07 × 82,364.46
  4. Step 4: Simplify right side
    118,239.36x = 13,416,599,748.29
  5. Step 5: Solve for x
    x = 13,416,599,748.29/118,239.36
  6. Step 6: Final answer
    x = 113,469.83

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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.