Home / 209,490.44-289,103.31-118,850.22

Finding the Fourth Proportional to 209,490.44, 289,103.31 and 118,850.22

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Solution

The fourth proportional to 209,490.44, 289,103.31 and 118,850.22 is: 164,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,490.44 : 289,103.31 = 118,850.22 : x
  2. Step 2: Convert to fraction form
    209,490.44/289,103.31 = 118,850.22/x
  3. Step 3: Cross multiply
    209,490.44x = 289,103.31 × 118,850.22
  4. Step 4: Simplify right side
    209,490.44x = 34,359,991,996.23
  5. Step 5: Solve for x
    x = 34,359,991,996.23/209,490.44
  6. Step 6: Final answer
    x = 164,017.00

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1.5x scale

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.