Home / 147,538.88-203,538.60-90,983.04

Finding the Fourth Proportional to 147,538.88, 203,538.60 and 90,983.04

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Solution

The fourth proportional to 147,538.88, 203,538.60 and 90,983.04 is: 125,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,538.88 : 203,538.60 = 90,983.04 : x
  2. Step 2: Convert to fraction form
    147,538.88/203,538.60 = 90,983.04/x
  3. Step 3: Cross multiply
    147,538.88x = 203,538.60 × 90,983.04
  4. Step 4: Simplify right side
    147,538.88x = 18,518,560,585.34
  5. Step 5: Solve for x
    x = 18,518,560,585.34/147,538.88
  6. Step 6: Final answer
    x = 125,516.48

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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.