Home / 105,414.63-145,475.64-60,091.79

Finding the Fourth Proportional to 105,414.63, 145,475.64 and 60,091.79

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Solution

The fourth proportional to 105,414.63, 145,475.64 and 60,091.79 is: 82,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,414.63 : 145,475.64 = 60,091.79 : x
  2. Step 2: Convert to fraction form
    105,414.63/145,475.64 = 60,091.79/x
  3. Step 3: Cross multiply
    105,414.63x = 145,475.64 × 60,091.79
  4. Step 4: Simplify right side
    105,414.63x = 8,741,891,609.00
  5. Step 5: Solve for x
    x = 8,741,891,609.00/105,414.63
  6. Step 6: Final answer
    x = 82,928.64

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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.