Home / 74,147.60-102,328.44-41,890.16

Finding the Fourth Proportional to 74,147.60, 102,328.44 and 41,890.16

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Solution

The fourth proportional to 74,147.60, 102,328.44 and 41,890.16 is: 57,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.60 : 102,328.44 = 41,890.16 : x
  2. Step 2: Convert to fraction form
    74,147.60/102,328.44 = 41,890.16/x
  3. Step 3: Cross multiply
    74,147.60x = 102,328.44 × 41,890.16
  4. Step 4: Simplify right side
    74,147.60x = 4,286,554,724.15
  5. Step 5: Solve for x
    x = 4,286,554,724.15/74,147.60
  6. Step 6: Final answer
    x = 57,811.11

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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.