Home / 148,389.40-222,584.10-143,140.60

Finding the Fourth Proportional to 148,389.40, 222,584.10 and 143,140.60

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Solution

The fourth proportional to 148,389.40, 222,584.10 and 143,140.60 is: 214,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,389.40 : 222,584.10 = 143,140.60 : x
  2. Step 2: Convert to fraction form
    148,389.40/222,584.10 = 143,140.60/x
  3. Step 3: Cross multiply
    148,389.40x = 222,584.10 × 143,140.60
  4. Step 4: Simplify right side
    148,389.40x = 31,860,821,624.46
  5. Step 5: Solve for x
    x = 31,860,821,624.46/148,389.40
  6. Step 6: Final answer
    x = 214,710.90

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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.