Home / 148,020.40-222,030.60-102,919.60

Finding the Fourth Proportional to 148,020.40, 222,030.60 and 102,919.60

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Solution

The fourth proportional to 148,020.40, 222,030.60 and 102,919.60 is: 154,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,020.40 : 222,030.60 = 102,919.60 : x
  2. Step 2: Convert to fraction form
    148,020.40/222,030.60 = 102,919.60/x
  3. Step 3: Cross multiply
    148,020.40x = 222,030.60 × 102,919.60
  4. Step 4: Simplify right side
    148,020.40x = 22,851,300,539.76
  5. Step 5: Solve for x
    x = 22,851,300,539.76/148,020.40
  6. Step 6: Final answer
    x = 154,379.40

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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.