Home / 140,811.78-211,214-47,317.52

Finding the Fourth Proportional to 140,811.78, 211,214 and 47,317.52

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Solution

The fourth proportional to 140,811.78, 211,214 and 47,317.52 is: 70,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,811.78 : 211,214 = 47,317.52 : x
  2. Step 2: Convert to fraction form
    140,811.78/211,214 = 47,317.52/x
  3. Step 3: Cross multiply
    140,811.78x = 211,214 × 47,317.52
  4. Step 4: Simplify right side
    140,811.78x = 9,994,122,669.28
  5. Step 5: Solve for x
    x = 9,994,122,669.28/140,811.78
  6. Step 6: Final answer
    x = 70,975.05

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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.