Home / 140,172.10-210,290.35-40,333.12

Finding the Fourth Proportional to 140,172.10, 210,290.35 and 40,333.12

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Solution

The fourth proportional to 140,172.10, 210,290.35 and 40,333.12 is: 60,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,172.10 : 210,290.35 = 40,333.12 : x
  2. Step 2: Convert to fraction form
    140,172.10/210,290.35 = 40,333.12/x
  3. Step 3: Cross multiply
    140,172.10x = 210,290.35 × 40,333.12
  4. Step 4: Simplify right side
    140,172.10x = 8,481,665,921.39
  5. Step 5: Solve for x
    x = 8,481,665,921.39/140,172.10
  6. Step 6: Final answer
    x = 60,508.95

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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.