Home / 209,834.18-314,849.56-104,661.26

Finding the Fourth Proportional to 209,834.18, 314,849.56 and 104,661.26

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Solution

The fourth proportional to 209,834.18, 314,849.56 and 104,661.26 is: 157,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,834.18 : 314,849.56 = 104,661.26 : x
  2. Step 2: Convert to fraction form
    209,834.18/314,849.56 = 104,661.26/x
  3. Step 3: Cross multiply
    209,834.18x = 314,849.56 × 104,661.26
  4. Step 4: Simplify right side
    209,834.18x = 32,952,551,660.05
  5. Step 5: Solve for x
    x = 32,952,551,660.05/209,834.18
  6. Step 6: Final answer
    x = 157,040.92

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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.