Home / 149,804.04-206,377.92-104,399.40

Finding the Fourth Proportional to 149,804.04, 206,377.92 and 104,399.40

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Solution

The fourth proportional to 149,804.04, 206,377.92 and 104,399.40 is: 143,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,804.04 : 206,377.92 = 104,399.40 : x
  2. Step 2: Convert to fraction form
    149,804.04/206,377.92 = 104,399.40/x
  3. Step 3: Cross multiply
    149,804.04x = 206,377.92 × 104,399.40
  4. Step 4: Simplify right side
    149,804.04x = 21,545,731,021.25
  5. Step 5: Solve for x
    x = 21,545,731,021.25/149,804.04
  6. Step 6: Final answer
    x = 143,826.10

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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.