Home / 97,389.64-146,084.88-30,830.09

Finding the Fourth Proportional to 97,389.64, 146,084.88 and 30,830.09

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Solution

The fourth proportional to 97,389.64, 146,084.88 and 30,830.09 is: 46,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,389.64 : 146,084.88 = 30,830.09 : x
  2. Step 2: Convert to fraction form
    97,389.64/146,084.88 = 30,830.09/x
  3. Step 3: Cross multiply
    97,389.64x = 146,084.88 × 30,830.09
  4. Step 4: Simplify right side
    97,389.64x = 4,503,809,998.04
  5. Step 5: Solve for x
    x = 4,503,809,998.04/97,389.64
  6. Step 6: Final answer
    x = 46,245.27

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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.