Home / 140,581.94-210,851.27-45,811.90

Finding the Fourth Proportional to 140,581.94, 210,851.27 and 45,811.90

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Solution

The fourth proportional to 140,581.94, 210,851.27 and 45,811.90 is: 68,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,581.94 : 210,851.27 = 45,811.90 : x
  2. Step 2: Convert to fraction form
    140,581.94/210,851.27 = 45,811.90/x
  3. Step 3: Cross multiply
    140,581.94x = 210,851.27 × 45,811.90
  4. Step 4: Simplify right side
    140,581.94x = 9,659,496,539.93
  5. Step 5: Solve for x
    x = 9,659,496,539.93/140,581.94
  6. Step 6: Final answer
    x = 68,710.79

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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.