Home / 209,450.57-289,037.43-113,957.64

Finding the Fourth Proportional to 209,450.57, 289,037.43 and 113,957.64

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Solution

The fourth proportional to 209,450.57, 289,037.43 and 113,957.64 is: 157,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,450.57 : 289,037.43 = 113,957.64 : x
  2. Step 2: Convert to fraction form
    209,450.57/289,037.43 = 113,957.64/x
  3. Step 3: Cross multiply
    209,450.57x = 289,037.43 × 113,957.64
  4. Step 4: Simplify right side
    209,450.57x = 32,938,023,394.47
  5. Step 5: Solve for x
    x = 32,938,023,394.47/209,450.57
  6. Step 6: Final answer
    x = 157,259.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.