Home / 131,578.28-197,291.86-51,522.51

Finding the Fourth Proportional to 131,578.28, 197,291.86 and 51,522.51

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Solution

The fourth proportional to 131,578.28, 197,291.86 and 51,522.51 is: 77,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,578.28 : 197,291.86 = 51,522.51 : x
  2. Step 2: Convert to fraction form
    131,578.28/197,291.86 = 51,522.51/x
  3. Step 3: Cross multiply
    131,578.28x = 197,291.86 × 51,522.51
  4. Step 4: Simplify right side
    131,578.28x = 10,164,972,730.62
  5. Step 5: Solve for x
    x = 10,164,972,730.62/131,578.28
  6. Step 6: Final answer
    x = 77,254.19

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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.