Home / 102,800.64-141,863.04-58,087.68

Finding the Fourth Proportional to 102,800.64, 141,863.04 and 58,087.68

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Solution

The fourth proportional to 102,800.64, 141,863.04 and 58,087.68 is: 80,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,800.64 : 141,863.04 = 58,087.68 : x
  2. Step 2: Convert to fraction form
    102,800.64/141,863.04 = 58,087.68/x
  3. Step 3: Cross multiply
    102,800.64x = 141,863.04 × 58,087.68
  4. Step 4: Simplify right side
    102,800.64x = 8,240,494,871.35
  5. Step 5: Solve for x
    x = 8,240,494,871.35/102,800.64
  6. Step 6: Final answer
    x = 80,159.96

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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.