Home / 155,428.78-233,143.14-102,825.94

Finding the Fourth Proportional to 155,428.78, 233,143.14 and 102,825.94

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Solution

The fourth proportional to 155,428.78, 233,143.14 and 102,825.94 is: 154,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,428.78 : 233,143.14 = 102,825.94 : x
  2. Step 2: Convert to fraction form
    155,428.78/233,143.14 = 102,825.94/x
  3. Step 3: Cross multiply
    155,428.78x = 233,143.14 × 102,825.94
  4. Step 4: Simplify right side
    155,428.78x = 23,973,162,525.05
  5. Step 5: Solve for x
    x = 23,973,162,525.05/155,428.78
  6. Step 6: Final answer
    x = 154,238.89

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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.