Home / 155,393.20-233,089.78-102,790.39

Finding the Fourth Proportional to 155,393.20, 233,089.78 and 102,790.39

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Solution

The fourth proportional to 155,393.20, 233,089.78 and 102,790.39 is: 154,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,393.20 : 233,089.78 = 102,790.39 : x
  2. Step 2: Convert to fraction form
    155,393.20/233,089.78 = 102,790.39/x
  3. Step 3: Cross multiply
    155,393.20x = 233,089.78 × 102,790.39
  4. Step 4: Simplify right side
    155,393.20x = 23,959,389,391.21
  5. Step 5: Solve for x
    x = 23,959,389,391.21/155,393.20
  6. Step 6: Final answer
    x = 154,185.57

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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.