Home / 132,199.07-198,256.48-43,431.98

Finding the Fourth Proportional to 132,199.07, 198,256.48 and 43,431.98

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Solution

The fourth proportional to 132,199.07, 198,256.48 and 43,431.98 is: 65,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,199.07 : 198,256.48 = 43,431.98 : x
  2. Step 2: Convert to fraction form
    132,199.07/198,256.48 = 43,431.98/x
  3. Step 3: Cross multiply
    132,199.07x = 198,256.48 × 43,431.98
  4. Step 4: Simplify right side
    132,199.07x = 8,610,670,374.37
  5. Step 5: Solve for x
    x = 8,610,670,374.37/132,199.07
  6. Step 6: Final answer
    x = 65,134.12

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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.