Home / 147,352.31-203,257.56-89,965.43

Finding the Fourth Proportional to 147,352.31, 203,257.56 and 89,965.43

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Solution

The fourth proportional to 147,352.31, 203,257.56 and 89,965.43 is: 124,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,352.31 : 203,257.56 = 89,965.43 : x
  2. Step 2: Convert to fraction form
    147,352.31/203,257.56 = 89,965.43/x
  3. Step 3: Cross multiply
    147,352.31x = 203,257.56 × 89,965.43
  4. Step 4: Simplify right side
    147,352.31x = 18,286,153,786.15
  5. Step 5: Solve for x
    x = 18,286,153,786.15/147,352.31
  6. Step 6: Final answer
    x = 124,098.18

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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.