Home / 97,419.12-134,446.68-81,475.44

Finding the Fourth Proportional to 97,419.12, 134,446.68 and 81,475.44

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Solution

The fourth proportional to 97,419.12, 134,446.68 and 81,475.44 is: 112,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,419.12 : 134,446.68 = 81,475.44 : x
  2. Step 2: Convert to fraction form
    97,419.12/134,446.68 = 81,475.44/x
  3. Step 3: Cross multiply
    97,419.12x = 134,446.68 × 81,475.44
  4. Step 4: Simplify right side
    97,419.12x = 10,954,102,409.54
  5. Step 5: Solve for x
    x = 10,954,102,409.54/97,419.12
  6. Step 6: Final answer
    x = 112,443.04

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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.