Home / 131,578.56-197,292.29-51,522.79

Finding the Fourth Proportional to 131,578.56, 197,292.29 and 51,522.79

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Solution

The fourth proportional to 131,578.56, 197,292.29 and 51,522.79 is: 77,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,578.56 : 197,292.29 = 51,522.79 : x
  2. Step 2: Convert to fraction form
    131,578.56/197,292.29 = 51,522.79/x
  3. Step 3: Cross multiply
    131,578.56x = 197,292.29 × 51,522.79
  4. Step 4: Simplify right side
    131,578.56x = 10,165,048,968.68
  5. Step 5: Solve for x
    x = 10,165,048,968.68/131,578.56
  6. Step 6: Final answer
    x = 77,254.60

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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.