Home / 150,669.78-225,917.16-57,124.50

Finding the Fourth Proportional to 150,669.78, 225,917.16 and 57,124.50

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Solution

The fourth proportional to 150,669.78, 225,917.16 and 57,124.50 is: 85,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,669.78 : 225,917.16 = 57,124.50 : x
  2. Step 2: Convert to fraction form
    150,669.78/225,917.16 = 57,124.50/x
  3. Step 3: Cross multiply
    150,669.78x = 225,917.16 × 57,124.50
  4. Step 4: Simplify right side
    150,669.78x = 12,905,404,806.42
  5. Step 5: Solve for x
    x = 12,905,404,806.42/150,669.78
  6. Step 6: Final answer
    x = 85,653.57

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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.