Home / 130,413.77-195,614.24-76,409.07

Finding the Fourth Proportional to 130,413.77, 195,614.24 and 76,409.07

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Solution

The fourth proportional to 130,413.77, 195,614.24 and 76,409.07 is: 114,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,413.77 : 195,614.24 = 76,409.07 : x
  2. Step 2: Convert to fraction form
    130,413.77/195,614.24 = 76,409.07/x
  3. Step 3: Cross multiply
    130,413.77x = 195,614.24 × 76,409.07
  4. Step 4: Simplify right side
    130,413.77x = 14,946,702,571.69
  5. Step 5: Solve for x
    x = 14,946,702,571.69/130,413.77
  6. Step 6: Final answer
    x = 114,609.85

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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.