Home / 281,083.16-421,654.26-91,558.30

Finding the Fourth Proportional to 281,083.16, 421,654.26 and 91,558.30

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Solution

The fourth proportional to 281,083.16, 421,654.26 and 91,558.30 is: 137,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,083.16 : 421,654.26 = 91,558.30 : x
  2. Step 2: Convert to fraction form
    281,083.16/421,654.26 = 91,558.30/x
  3. Step 3: Cross multiply
    281,083.16x = 421,654.26 × 91,558.30
  4. Step 4: Simplify right side
    281,083.16x = 38,605,947,233.36
  5. Step 5: Solve for x
    x = 38,605,947,233.36/281,083.16
  6. Step 6: Final answer
    x = 137,347.07

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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.