Home / 134,438.20-185,523.22-74,007.56

Finding the Fourth Proportional to 134,438.20, 185,523.22 and 74,007.56

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Solution

The fourth proportional to 134,438.20, 185,523.22 and 74,007.56 is: 102,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,438.20 : 185,523.22 = 74,007.56 : x
  2. Step 2: Convert to fraction form
    134,438.20/185,523.22 = 74,007.56/x
  3. Step 3: Cross multiply
    134,438.20x = 185,523.22 × 74,007.56
  4. Step 4: Simplify right side
    134,438.20x = 13,730,120,835.54
  5. Step 5: Solve for x
    x = 13,730,120,835.54/134,438.20
  6. Step 6: Final answer
    x = 102,129.61

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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.