Home / 140,585.57-210,772.94-45,759.08

Finding the Fourth Proportional to 140,585.57, 210,772.94 and 45,759.08

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Solution

The fourth proportional to 140,585.57, 210,772.94 and 45,759.08 is: 68,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,585.57 : 210,772.94 = 45,759.08 : x
  2. Step 2: Convert to fraction form
    140,585.57/210,772.94 = 45,759.08/x
  3. Step 3: Cross multiply
    140,585.57x = 210,772.94 × 45,759.08
  4. Step 4: Simplify right side
    140,585.57x = 9,644,775,823.30
  5. Step 5: Solve for x
    x = 9,644,775,823.30/140,585.57
  6. Step 6: Final answer
    x = 68,604.31

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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.