Home / 155,268.80-232,890.24-80,308.16

Finding the Fourth Proportional to 155,268.80, 232,890.24 and 80,308.16

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Solution

The fourth proportional to 155,268.80, 232,890.24 and 80,308.16 is: 120,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,268.80 : 232,890.24 = 80,308.16 : x
  2. Step 2: Convert to fraction form
    155,268.80/232,890.24 = 80,308.16/x
  3. Step 3: Cross multiply
    155,268.80x = 232,890.24 × 80,308.16
  4. Step 4: Simplify right side
    155,268.80x = 18,702,986,656.36
  5. Step 5: Solve for x
    x = 18,702,986,656.36/155,268.80
  6. Step 6: Final answer
    x = 120,455.54

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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.