Home / 131,897.26-197,870.19-43,155.73

Finding the Fourth Proportional to 131,897.26, 197,870.19 and 43,155.73

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Solution

The fourth proportional to 131,897.26, 197,870.19 and 43,155.73 is: 64,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,897.26 : 197,870.19 = 43,155.73 : x
  2. Step 2: Convert to fraction form
    131,897.26/197,870.19 = 43,155.73/x
  3. Step 3: Cross multiply
    131,897.26x = 197,870.19 × 43,155.73
  4. Step 4: Simplify right side
    131,897.26x = 8,539,232,494.69
  5. Step 5: Solve for x
    x = 8,539,232,494.69/131,897.26
  6. Step 6: Final answer
    x = 64,741.55

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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.