Home / 147,806.82-203,989.62-84,134.34

Finding the Fourth Proportional to 147,806.82, 203,989.62 and 84,134.34

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Solution

The fourth proportional to 147,806.82, 203,989.62 and 84,134.34 is: 116,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,806.82 : 203,989.62 = 84,134.34 : x
  2. Step 2: Convert to fraction form
    147,806.82/203,989.62 = 84,134.34/x
  3. Step 3: Cross multiply
    147,806.82x = 203,989.62 × 84,134.34
  4. Step 4: Simplify right side
    147,806.82x = 17,162,532,045.55
  5. Step 5: Solve for x
    x = 17,162,532,045.55/147,806.82
  6. Step 6: Final answer
    x = 116,114.62

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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.