Home / 155,435.80-233,153.70-143,188.60

Finding the Fourth Proportional to 155,435.80, 233,153.70 and 143,188.60

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Solution

The fourth proportional to 155,435.80, 233,153.70 and 143,188.60 is: 214,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,435.80 : 233,153.70 = 143,188.60 : x
  2. Step 2: Convert to fraction form
    155,435.80/233,153.70 = 143,188.60/x
  3. Step 3: Cross multiply
    155,435.80x = 233,153.70 × 143,188.60
  4. Step 4: Simplify right side
    155,435.80x = 33,384,951,887.82
  5. Step 5: Solve for x
    x = 33,384,951,887.82/155,435.80
  6. Step 6: Final answer
    x = 214,782.90

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1.5x scale

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.