Home / 140,318.11-210,477.30-39,112.12

Finding the Fourth Proportional to 140,318.11, 210,477.30 and 39,112.12

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Solution

The fourth proportional to 140,318.11, 210,477.30 and 39,112.12 is: 58,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,318.11 : 210,477.30 = 39,112.12 : x
  2. Step 2: Convert to fraction form
    140,318.11/210,477.30 = 39,112.12/x
  3. Step 3: Cross multiply
    140,318.11x = 210,477.30 × 39,112.12
  4. Step 4: Simplify right side
    140,318.11x = 8,232,213,414.88
  5. Step 5: Solve for x
    x = 8,232,213,414.88/140,318.11
  6. Step 6: Final answer
    x = 58,668.22

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1.5x scale

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.