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Finding the Fourth Proportional to 169,216.58, 253,745.22 and 98,159.42

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Solution

The fourth proportional to 169,216.58, 253,745.22 and 98,159.42 is: 147,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,216.58 : 253,745.22 = 98,159.42 : x
  2. Step 2: Convert to fraction form
    169,216.58/253,745.22 = 98,159.42/x
  3. Step 3: Cross multiply
    169,216.58x = 253,745.22 × 98,159.42
  4. Step 4: Simplify right side
    169,216.58x = 24,907,483,622.97
  5. Step 5: Solve for x
    x = 24,907,483,622.97/169,216.58
  6. Step 6: Final answer
    x = 147,192.93

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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.