Home / 148,039.80-222,059.70-118,515.30

Finding the Fourth Proportional to 148,039.80, 222,059.70 and 118,515.30

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Solution

The fourth proportional to 148,039.80, 222,059.70 and 118,515.30 is: 177,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,039.80 : 222,059.70 = 118,515.30 : x
  2. Step 2: Convert to fraction form
    148,039.80/222,059.70 = 118,515.30/x
  3. Step 3: Cross multiply
    148,039.80x = 222,059.70 × 118,515.30
  4. Step 4: Simplify right side
    148,039.80x = 26,317,471,963.41
  5. Step 5: Solve for x
    x = 26,317,471,963.41/148,039.80
  6. Step 6: Final answer
    x = 177,772.95

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1.5x scale

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.