Home / 155,771.81-233,662.98-43,454.78

Finding the Fourth Proportional to 155,771.81, 233,662.98 and 43,454.78

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Solution

The fourth proportional to 155,771.81, 233,662.98 and 43,454.78 is: 65,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,771.81 : 233,662.98 = 43,454.78 : x
  2. Step 2: Convert to fraction form
    155,771.81/233,662.98 = 43,454.78/x
  3. Step 3: Cross multiply
    155,771.81x = 233,662.98 × 43,454.78
  4. Step 4: Simplify right side
    155,771.81x = 10,153,773,390.04
  5. Step 5: Solve for x
    x = 10,153,773,390.04/155,771.81
  6. Step 6: Final answer
    x = 65,183.64

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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.