Home / 140,570.46-210,855.71-40,730.73

Finding the Fourth Proportional to 140,570.46, 210,855.71 and 40,730.73

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Solution

The fourth proportional to 140,570.46, 210,855.71 and 40,730.73 is: 61,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,570.46 : 210,855.71 = 40,730.73 : x
  2. Step 2: Convert to fraction form
    140,570.46/210,855.71 = 40,730.73/x
  3. Step 3: Cross multiply
    140,570.46x = 210,855.71 × 40,730.73
  4. Step 4: Simplify right side
    140,570.46x = 8,588,306,992.97
  5. Step 5: Solve for x
    x = 8,588,306,992.97/140,570.46
  6. Step 6: Final answer
    x = 61,096.10

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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.