Home / 102,512.52-141,467.34-57,190.51

Finding the Fourth Proportional to 102,512.52, 141,467.34 and 57,190.51

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Solution

The fourth proportional to 102,512.52, 141,467.34 and 57,190.51 is: 78,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,512.52 : 141,467.34 = 57,190.51 : x
  2. Step 2: Convert to fraction form
    102,512.52/141,467.34 = 57,190.51/x
  3. Step 3: Cross multiply
    102,512.52x = 141,467.34 × 57,190.51
  4. Step 4: Simplify right side
    102,512.52x = 8,090,589,322.94
  5. Step 5: Solve for x
    x = 8,090,589,322.94/102,512.52
  6. Step 6: Final answer
    x = 78,922.94

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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.