Home / 115,521.26-159,413.64-64,523.84

Finding the Fourth Proportional to 115,521.26, 159,413.64 and 64,523.84

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Solution

The fourth proportional to 115,521.26, 159,413.64 and 64,523.84 is: 89,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,521.26 : 159,413.64 = 64,523.84 : x
  2. Step 2: Convert to fraction form
    115,521.26/159,413.64 = 64,523.84/x
  3. Step 3: Cross multiply
    115,521.26x = 159,413.64 × 64,523.84
  4. Step 4: Simplify right side
    115,521.26x = 10,285,980,603.27
  5. Step 5: Solve for x
    x = 10,285,980,603.27/115,521.26
  6. Step 6: Final answer
    x = 89,039.72

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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.