Home / 146,197.31-201,794.49-85,770.50

Finding the Fourth Proportional to 146,197.31, 201,794.49 and 85,770.50

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Solution

The fourth proportional to 146,197.31, 201,794.49 and 85,770.50 is: 118,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,197.31 : 201,794.49 = 85,770.50 : x
  2. Step 2: Convert to fraction form
    146,197.31/201,794.49 = 85,770.50/x
  3. Step 3: Cross multiply
    146,197.31x = 201,794.49 × 85,770.50
  4. Step 4: Simplify right side
    146,197.31x = 17,308,013,295.57
  5. Step 5: Solve for x
    x = 17,308,013,295.57/146,197.31
  6. Step 6: Final answer
    x = 118,388.05

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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.