Home / 112,286.08-154,966.26-64,541.44

Finding the Fourth Proportional to 112,286.08, 154,966.26 and 64,541.44

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Solution

The fourth proportional to 112,286.08, 154,966.26 and 64,541.44 is: 89,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,286.08 : 154,966.26 = 64,541.44 : x
  2. Step 2: Convert to fraction form
    112,286.08/154,966.26 = 64,541.44/x
  3. Step 3: Cross multiply
    112,286.08x = 154,966.26 × 64,541.44
  4. Step 4: Simplify right side
    112,286.08x = 10,001,745,571.81
  5. Step 5: Solve for x
    x = 10,001,745,571.81/112,286.08
  6. Step 6: Final answer
    x = 89,073.78

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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.