Home / 152,968.56-229,511.68-74,076.72

Finding the Fourth Proportional to 152,968.56, 229,511.68 and 74,076.72

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Solution

The fourth proportional to 152,968.56, 229,511.68 and 74,076.72 is: 111,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,968.56 : 229,511.68 = 74,076.72 : x
  2. Step 2: Convert to fraction form
    152,968.56/229,511.68 = 74,076.72/x
  3. Step 3: Cross multiply
    152,968.56x = 229,511.68 × 74,076.72
  4. Step 4: Simplify right side
    152,968.56x = 17,001,472,456.09
  5. Step 5: Solve for x
    x = 17,001,472,456.09/152,968.56
  6. Step 6: Final answer
    x = 111,143.57

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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.