Home / 148,468.40-222,702.60-43,290.80

Finding the Fourth Proportional to 148,468.40, 222,702.60 and 43,290.80

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Solution

The fourth proportional to 148,468.40, 222,702.60 and 43,290.80 is: 64,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,468.40 : 222,702.60 = 43,290.80 : x
  2. Step 2: Convert to fraction form
    148,468.40/222,702.60 = 43,290.80/x
  3. Step 3: Cross multiply
    148,468.40x = 222,702.60 × 43,290.80
  4. Step 4: Simplify right side
    148,468.40x = 9,640,973,716.08
  5. Step 5: Solve for x
    x = 9,640,973,716.08/148,468.40
  6. Step 6: Final answer
    x = 64,936.20

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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.