Home / 131,830.58-197,665.40-51,772.62

Finding the Fourth Proportional to 131,830.58, 197,665.40 and 51,772.62

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Solution

The fourth proportional to 131,830.58, 197,665.40 and 51,772.62 is: 77,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,830.58 : 197,665.40 = 51,772.62 : x
  2. Step 2: Convert to fraction form
    131,830.58/197,665.40 = 51,772.62/x
  3. Step 3: Cross multiply
    131,830.58x = 197,665.40 × 51,772.62
  4. Step 4: Simplify right side
    131,830.58x = 10,233,655,641.35
  5. Step 5: Solve for x
    x = 10,233,655,641.35/131,830.58
  6. Step 6: Final answer
    x = 77,627.33

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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.