Home / 132,637.90-198,889.26-65,174.42

Finding the Fourth Proportional to 132,637.90, 198,889.26 and 65,174.42

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Solution

The fourth proportional to 132,637.90, 198,889.26 and 65,174.42 is: 97,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,637.90 : 198,889.26 = 65,174.42 : x
  2. Step 2: Convert to fraction form
    132,637.90/198,889.26 = 65,174.42/x
  3. Step 3: Cross multiply
    132,637.90x = 198,889.26 × 65,174.42
  4. Step 4: Simplify right side
    132,637.90x = 12,962,492,164.73
  5. Step 5: Solve for x
    x = 12,962,492,164.73/132,637.90
  6. Step 6: Final answer
    x = 97,728.42

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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.