Home / 148,739.78-223,198.32-53,977.36

Finding the Fourth Proportional to 148,739.78, 223,198.32 and 53,977.36

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Solution

The fourth proportional to 148,739.78, 223,198.32 and 53,977.36 is: 80,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,739.78 : 223,198.32 = 53,977.36 : x
  2. Step 2: Convert to fraction form
    148,739.78/223,198.32 = 53,977.36/x
  3. Step 3: Cross multiply
    148,739.78x = 223,198.32 × 53,977.36
  4. Step 4: Simplify right side
    148,739.78x = 12,047,656,070.04
  5. Step 5: Solve for x
    x = 12,047,656,070.04/148,739.78
  6. Step 6: Final answer
    x = 80,998.21

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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.