Home / 132,429.08-198,649.73-43,690.34

Finding the Fourth Proportional to 132,429.08, 198,649.73 and 43,690.34

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Solution

The fourth proportional to 132,429.08, 198,649.73 and 43,690.34 is: 65,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,429.08 : 198,649.73 = 43,690.34 : x
  2. Step 2: Convert to fraction form
    132,429.08/198,649.73 = 43,690.34/x
  3. Step 3: Cross multiply
    132,429.08x = 198,649.73 × 43,690.34
  4. Step 4: Simplify right side
    132,429.08x = 8,679,073,360.59
  5. Step 5: Solve for x
    x = 8,679,073,360.59/132,429.08
  6. Step 6: Final answer
    x = 65,537.52

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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.