Home / 209,374.11-313,941.83-142,894.71

Finding the Fourth Proportional to 209,374.11, 313,941.83 and 142,894.71

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Solution

The fourth proportional to 209,374.11, 313,941.83 and 142,894.71 is: 214,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,374.11 : 313,941.83 = 142,894.71 : x
  2. Step 2: Convert to fraction form
    209,374.11/313,941.83 = 142,894.71/x
  3. Step 3: Cross multiply
    209,374.11x = 313,941.83 × 142,894.71
  4. Step 4: Simplify right side
    209,374.11x = 44,860,626,040.25
  5. Step 5: Solve for x
    x = 44,860,626,040.25/209,374.11
  6. Step 6: Final answer
    x = 214,260.62

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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.