Home / 102,454.23-141,383.97-57,133.52

Finding the Fourth Proportional to 102,454.23, 141,383.97 and 57,133.52

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Solution

The fourth proportional to 102,454.23, 141,383.97 and 57,133.52 is: 78,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,454.23 : 141,383.97 = 57,133.52 : x
  2. Step 2: Convert to fraction form
    102,454.23/141,383.97 = 57,133.52/x
  3. Step 3: Cross multiply
    102,454.23x = 141,383.97 × 57,133.52
  4. Step 4: Simplify right side
    102,454.23x = 8,077,763,877.67
  5. Step 5: Solve for x
    x = 8,077,763,877.67/102,454.23
  6. Step 6: Final answer
    x = 78,842.66

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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.