Home / 85,170.60-127,774.59-25,194.39

Finding the Fourth Proportional to 85,170.60, 127,774.59 and 25,194.39

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Solution

The fourth proportional to 85,170.60, 127,774.59 and 25,194.39 is: 37,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,170.60 : 127,774.59 = 25,194.39 : x
  2. Step 2: Convert to fraction form
    85,170.60/127,774.59 = 25,194.39/x
  3. Step 3: Cross multiply
    85,170.60x = 127,774.59 × 25,194.39
  4. Step 4: Simplify right side
    85,170.60x = 3,219,202,852.55
  5. Step 5: Solve for x
    x = 3,219,202,852.55/85,170.60
  6. Step 6: Final answer
    x = 37,797.11

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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.