Home / 134,291.96-185,222.20-128,336.12

Finding the Fourth Proportional to 134,291.96, 185,222.20 and 128,336.12

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Solution

The fourth proportional to 134,291.96, 185,222.20 and 128,336.12 is: 177,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,291.96 : 185,222.20 = 128,336.12 : x
  2. Step 2: Convert to fraction form
    134,291.96/185,222.20 = 128,336.12/x
  3. Step 3: Cross multiply
    134,291.96x = 185,222.20 × 128,336.12
  4. Step 4: Simplify right side
    134,291.96x = 23,770,698,485.86
  5. Step 5: Solve for x
    x = 23,770,698,485.86/134,291.96
  6. Step 6: Final answer
    x = 177,007.61

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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.