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Finding the Fourth Proportional to 140,065, 210,099.33 and 46,570.75

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Solution

The fourth proportional to 140,065, 210,099.33 and 46,570.75 is: 69,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,065 : 210,099.33 = 46,570.75 : x
  2. Step 2: Convert to fraction form
    140,065/210,099.33 = 46,570.75/x
  3. Step 3: Cross multiply
    140,065x = 210,099.33 × 46,570.75
  4. Step 4: Simplify right side
    140,065x = 9,784,483,372.60
  5. Step 5: Solve for x
    x = 9,784,483,372.60/140,065
  6. Step 6: Final answer
    x = 69,856.73

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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.