Home / 140,066.46-210,067.65-40,225.86

Finding the Fourth Proportional to 140,066.46, 210,067.65 and 40,225.86

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Solution

The fourth proportional to 140,066.46, 210,067.65 and 40,225.86 is: 60,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,066.46 : 210,067.65 = 40,225.86 : x
  2. Step 2: Convert to fraction form
    140,066.46/210,067.65 = 40,225.86/x
  3. Step 3: Cross multiply
    140,066.46x = 210,067.65 × 40,225.86
  4. Step 4: Simplify right side
    140,066.46x = 8,450,151,879.43
  5. Step 5: Solve for x
    x = 8,450,151,879.43/140,066.46
  6. Step 6: Final answer
    x = 60,329.59

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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.