Home / 148,739.30-223,197.59-53,976.87

Finding the Fourth Proportional to 148,739.30, 223,197.59 and 53,976.87

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Solution

The fourth proportional to 148,739.30, 223,197.59 and 53,976.87 is: 80,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,739.30 : 223,197.59 = 53,976.87 : x
  2. Step 2: Convert to fraction form
    148,739.30/223,197.59 = 53,976.87/x
  3. Step 3: Cross multiply
    148,739.30x = 223,197.59 × 53,976.87
  4. Step 4: Simplify right side
    148,739.30x = 12,047,507,029.86
  5. Step 5: Solve for x
    x = 12,047,507,029.86/148,739.30
  6. Step 6: Final answer
    x = 80,997.47

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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.