Home / 149,693.50-206,226.12-104,289.35

Finding the Fourth Proportional to 149,693.50, 206,226.12 and 104,289.35

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Solution

The fourth proportional to 149,693.50, 206,226.12 and 104,289.35 is: 143,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,693.50 : 206,226.12 = 104,289.35 : x
  2. Step 2: Convert to fraction form
    149,693.50/206,226.12 = 104,289.35/x
  3. Step 3: Cross multiply
    149,693.50x = 206,226.12 × 104,289.35
  4. Step 4: Simplify right side
    149,693.50x = 21,507,188,914.47
  5. Step 5: Solve for x
    x = 21,507,188,914.47/149,693.50
  6. Step 6: Final answer
    x = 143,674.84

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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.