Home / 74,147.32-102,246.60-51,511.96

Finding the Fourth Proportional to 74,147.32, 102,246.60 and 51,511.96

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Solution

The fourth proportional to 74,147.32, 102,246.60 and 51,511.96 is: 71,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.32 : 102,246.60 = 51,511.96 : x
  2. Step 2: Convert to fraction form
    74,147.32/102,246.60 = 51,511.96/x
  3. Step 3: Cross multiply
    74,147.32x = 102,246.60 × 51,511.96
  4. Step 4: Simplify right side
    74,147.32x = 5,266,922,769.34
  5. Step 5: Solve for x
    x = 5,266,922,769.34/74,147.32
  6. Step 6: Final answer
    x = 71,033.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.