Home / 155,429.80-233,144.70-99,442.60

Finding the Fourth Proportional to 155,429.80, 233,144.70 and 99,442.60

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Solution

The fourth proportional to 155,429.80, 233,144.70 and 99,442.60 is: 149,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.80 : 233,144.70 = 99,442.60 : x
  2. Step 2: Convert to fraction form
    155,429.80/233,144.70 = 99,442.60/x
  3. Step 3: Cross multiply
    155,429.80x = 233,144.70 × 99,442.60
  4. Step 4: Simplify right side
    155,429.80x = 23,184,515,144.22
  5. Step 5: Solve for x
    x = 23,184,515,144.22/155,429.80
  6. Step 6: Final answer
    x = 149,163.90

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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.