Home / 140,115.12-210,098.46-61,137.12

Finding the Fourth Proportional to 140,115.12, 210,098.46 and 61,137.12

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Solution

The fourth proportional to 140,115.12, 210,098.46 and 61,137.12 is: 91,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,115.12 : 210,098.46 = 61,137.12 : x
  2. Step 2: Convert to fraction form
    140,115.12/210,098.46 = 61,137.12/x
  3. Step 3: Cross multiply
    140,115.12x = 210,098.46 × 61,137.12
  4. Step 4: Simplify right side
    140,115.12x = 12,844,814,760.84
  5. Step 5: Solve for x
    x = 12,844,814,760.84/140,115.12
  6. Step 6: Final answer
    x = 91,673.30

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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.