Home / 105,758.09-158,553.93-52,413.41

Finding the Fourth Proportional to 105,758.09, 158,553.93 and 52,413.41

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Solution

The fourth proportional to 105,758.09, 158,553.93 and 52,413.41 is: 78,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,758.09 : 158,553.93 = 52,413.41 : x
  2. Step 2: Convert to fraction form
    105,758.09/158,553.93 = 52,413.41/x
  3. Step 3: Cross multiply
    105,758.09x = 158,553.93 × 52,413.41
  4. Step 4: Simplify right side
    105,758.09x = 8,310,352,585.72
  5. Step 5: Solve for x
    x = 8,310,352,585.72/105,758.09
  6. Step 6: Final answer
    x = 78,578.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.