Home / 102,358.87-141,251.64-57,034.51

Finding the Fourth Proportional to 102,358.87, 141,251.64 and 57,034.51

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Solution

The fourth proportional to 102,358.87, 141,251.64 and 57,034.51 is: 78,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,358.87 : 141,251.64 = 57,034.51 : x
  2. Step 2: Convert to fraction form
    102,358.87/141,251.64 = 57,034.51/x
  3. Step 3: Cross multiply
    102,358.87x = 141,251.64 × 57,034.51
  4. Step 4: Simplify right side
    102,358.87x = 8,056,217,367.84
  5. Step 5: Solve for x
    x = 8,056,217,367.84/102,358.87
  6. Step 6: Final answer
    x = 78,705.61

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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.