Home / 136,288.17-204,344.78-89,486.37

Finding the Fourth Proportional to 136,288.17, 204,344.78 and 89,486.37

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Solution

The fourth proportional to 136,288.17, 204,344.78 and 89,486.37 is: 134,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,288.17 : 204,344.78 = 89,486.37 : x
  2. Step 2: Convert to fraction form
    136,288.17/204,344.78 = 89,486.37/x
  3. Step 3: Cross multiply
    136,288.17x = 204,344.78 × 89,486.37
  4. Step 4: Simplify right side
    136,288.17x = 18,286,072,143.22
  5. Step 5: Solve for x
    x = 18,286,072,143.22/136,288.17
  6. Step 6: Final answer
    x = 134,172.12

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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.