Home / 140,568.72-210,853.08-40,728.97

Finding the Fourth Proportional to 140,568.72, 210,853.08 and 40,728.97

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Solution

The fourth proportional to 140,568.72, 210,853.08 and 40,728.97 is: 61,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,568.72 : 210,853.08 = 40,728.97 : x
  2. Step 2: Convert to fraction form
    140,568.72/210,853.08 = 40,728.97/x
  3. Step 3: Cross multiply
    140,568.72x = 210,853.08 × 40,728.97
  4. Step 4: Simplify right side
    140,568.72x = 8,587,829,033.29
  5. Step 5: Solve for x
    x = 8,587,829,033.29/140,568.72
  6. Step 6: Final answer
    x = 61,093.46

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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.