Home / 155,406.70-233,180.78-75,401.48

Finding the Fourth Proportional to 155,406.70, 233,180.78 and 75,401.48

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Solution

The fourth proportional to 155,406.70, 233,180.78 and 75,401.48 is: 113,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,406.70 : 233,180.78 = 75,401.48 : x
  2. Step 2: Convert to fraction form
    155,406.70/233,180.78 = 75,401.48/x
  3. Step 3: Cross multiply
    155,406.70x = 233,180.78 × 75,401.48
  4. Step 4: Simplify right side
    155,406.70x = 17,582,176,125.50
  5. Step 5: Solve for x
    x = 17,582,176,125.50/155,406.70
  6. Step 6: Final answer
    x = 113,136.54

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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.