Home / 140,634.90-210,972.87-40,795.65

Finding the Fourth Proportional to 140,634.90, 210,972.87 and 40,795.65

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Solution

The fourth proportional to 140,634.90, 210,972.87 and 40,795.65 is: 61,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,634.90 : 210,972.87 = 40,795.65 : x
  2. Step 2: Convert to fraction form
    140,634.90/210,972.87 = 40,795.65/x
  3. Step 3: Cross multiply
    140,634.90x = 210,972.87 × 40,795.65
  4. Step 4: Simplify right side
    140,634.90x = 8,606,775,364.02
  5. Step 5: Solve for x
    x = 8,606,775,364.02/140,634.90
  6. Step 6: Final answer
    x = 61,199.43

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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.