Home / 146,186.10-219,356-103,765.28

Finding the Fourth Proportional to 146,186.10, 219,356 and 103,765.28

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Solution

The fourth proportional to 146,186.10, 219,356 and 103,765.28 is: 155,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,186.10 : 219,356 = 103,765.28 : x
  2. Step 2: Convert to fraction form
    146,186.10/219,356 = 103,765.28/x
  3. Step 3: Cross multiply
    146,186.10x = 219,356 × 103,765.28
  4. Step 4: Simplify right side
    146,186.10x = 22,761,536,759.68
  5. Step 5: Solve for x
    x = 22,761,536,759.68/146,186.10
  6. Step 6: Final answer
    x = 155,702.47

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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.