Home / 170,254.44-255,376.26-51,921

Finding the Fourth Proportional to 170,254.44, 255,376.26 and 51,921

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Solution

The fourth proportional to 170,254.44, 255,376.26 and 51,921 is: 77,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,254.44 : 255,376.26 = 51,921 : x
  2. Step 2: Convert to fraction form
    170,254.44/255,376.26 = 51,921/x
  3. Step 3: Cross multiply
    170,254.44x = 255,376.26 × 51,921
  4. Step 4: Simplify right side
    170,254.44x = 13,259,390,795.46
  5. Step 5: Solve for x
    x = 13,259,390,795.46/170,254.44
  6. Step 6: Final answer
    x = 77,879.85

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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.