Home / 104,872.19-144,725.85-57,125.43

Finding the Fourth Proportional to 104,872.19, 144,725.85 and 57,125.43

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Solution

The fourth proportional to 104,872.19, 144,725.85 and 57,125.43 is: 78,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,872.19 : 144,725.85 = 57,125.43 : x
  2. Step 2: Convert to fraction form
    104,872.19/144,725.85 = 57,125.43/x
  3. Step 3: Cross multiply
    104,872.19x = 144,725.85 × 57,125.43
  4. Step 4: Simplify right side
    104,872.19x = 8,267,526,413.37
  5. Step 5: Solve for x
    x = 8,267,526,413.37/104,872.19
  6. Step 6: Final answer
    x = 78,834.31

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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.