Home / 102,004.10-140,450.73-84,799.70

Finding the Fourth Proportional to 102,004.10, 140,450.73 and 84,799.70

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Solution

The fourth proportional to 102,004.10, 140,450.73 and 84,799.70 is: 116,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,004.10 : 140,450.73 = 84,799.70 : x
  2. Step 2: Convert to fraction form
    102,004.10/140,450.73 = 84,799.70/x
  3. Step 3: Cross multiply
    102,004.10x = 140,450.73 × 84,799.70
  4. Step 4: Simplify right side
    102,004.10x = 11,910,179,768.78
  5. Step 5: Solve for x
    x = 11,910,179,768.78/102,004.10
  6. Step 6: Final answer
    x = 116,761.77

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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.