Home / 134,745.20-202,190.70-55,867.40

Finding the Fourth Proportional to 134,745.20, 202,190.70 and 55,867.40

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Solution

The fourth proportional to 134,745.20, 202,190.70 and 55,867.40 is: 83,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,745.20 : 202,190.70 = 55,867.40 : x
  2. Step 2: Convert to fraction form
    134,745.20/202,190.70 = 55,867.40/x
  3. Step 3: Cross multiply
    134,745.20x = 202,190.70 × 55,867.40
  4. Step 4: Simplify right side
    134,745.20x = 11,295,868,713.18
  5. Step 5: Solve for x
    x = 11,295,868,713.18/134,745.20
  6. Step 6: Final answer
    x = 83,831.33

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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.