Home / 155,629.20-233,443.80-148,803.60

Finding the Fourth Proportional to 155,629.20, 233,443.80 and 148,803.60

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Solution

The fourth proportional to 155,629.20, 233,443.80 and 148,803.60 is: 223,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,629.20 : 233,443.80 = 148,803.60 : x
  2. Step 2: Convert to fraction form
    155,629.20/233,443.80 = 148,803.60/x
  3. Step 3: Cross multiply
    155,629.20x = 233,443.80 × 148,803.60
  4. Step 4: Simplify right side
    155,629.20x = 34,737,277,837.68
  5. Step 5: Solve for x
    x = 34,737,277,837.68/155,629.20
  6. Step 6: Final answer
    x = 223,205.40

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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.