Home / 145,132.56-217,706.94-45,306.54

Finding the Fourth Proportional to 145,132.56, 217,706.94 and 45,306.54

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Solution

The fourth proportional to 145,132.56, 217,706.94 and 45,306.54 is: 67,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,132.56 : 217,706.94 = 45,306.54 : x
  2. Step 2: Convert to fraction form
    145,132.56/217,706.94 = 45,306.54/x
  3. Step 3: Cross multiply
    145,132.56x = 217,706.94 × 45,306.54
  4. Step 4: Simplify right side
    145,132.56x = 9,863,548,185.39
  5. Step 5: Solve for x
    x = 9,863,548,185.39/145,132.56
  6. Step 6: Final answer
    x = 67,962.34

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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.