Home / 102,246.81-141,103.74-55,682.79

Finding the Fourth Proportional to 102,246.81, 141,103.74 and 55,682.79

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Solution

The fourth proportional to 102,246.81, 141,103.74 and 55,682.79 is: 76,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,246.81 : 141,103.74 = 55,682.79 : x
  2. Step 2: Convert to fraction form
    102,246.81/141,103.74 = 55,682.79/x
  3. Step 3: Cross multiply
    102,246.81x = 141,103.74 × 55,682.79
  4. Step 4: Simplify right side
    102,246.81x = 7,857,049,922.63
  5. Step 5: Solve for x
    x = 7,857,049,922.63/102,246.81
  6. Step 6: Final answer
    x = 76,843.96

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1.5x scale

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.