Home / 248,761.73-343,193.76-153,102.35

Finding the Fourth Proportional to 248,761.73, 343,193.76 and 153,102.35

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Solution

The fourth proportional to 248,761.73, 343,193.76 and 153,102.35 is: 211,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,761.73 : 343,193.76 = 153,102.35 : x
  2. Step 2: Convert to fraction form
    248,761.73/343,193.76 = 153,102.35/x
  3. Step 3: Cross multiply
    248,761.73x = 343,193.76 × 153,102.35
  4. Step 4: Simplify right side
    248,761.73x = 52,543,772,019.32
  5. Step 5: Solve for x
    x = 52,543,772,019.32/248,761.73
  6. Step 6: Final answer
    x = 211,221.28

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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.