Home / 139,968.60-209,951.94-34,787.40

Finding the Fourth Proportional to 139,968.60, 209,951.94 and 34,787.40

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Solution

The fourth proportional to 139,968.60, 209,951.94 and 34,787.40 is: 52,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968.60 : 209,951.94 = 34,787.40 : x
  2. Step 2: Convert to fraction form
    139,968.60/209,951.94 = 34,787.40/x
  3. Step 3: Cross multiply
    139,968.60x = 209,951.94 × 34,787.40
  4. Step 4: Simplify right side
    139,968.60x = 7,303,682,117.56
  5. Step 5: Solve for x
    x = 7,303,682,117.56/139,968.60
  6. Step 6: Final answer
    x = 52,180.86

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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.