Home / 140,112.12-210,093.96-61,134.12

Finding the Fourth Proportional to 140,112.12, 210,093.96 and 61,134.12

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Solution

The fourth proportional to 140,112.12, 210,093.96 and 61,134.12 is: 91,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,112.12 : 210,093.96 = 61,134.12 : x
  2. Step 2: Convert to fraction form
    140,112.12/210,093.96 = 61,134.12/x
  3. Step 3: Cross multiply
    140,112.12x = 210,093.96 × 61,134.12
  4. Step 4: Simplify right side
    140,112.12x = 12,843,909,361.92
  5. Step 5: Solve for x
    x = 12,843,909,361.92/140,112.12
  6. Step 6: Final answer
    x = 91,668.80

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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.