Home / 136,633.10-204,840.30-57,682.40

Finding the Fourth Proportional to 136,633.10, 204,840.30 and 57,682.40

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Solution

The fourth proportional to 136,633.10, 204,840.30 and 57,682.40 is: 86,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,633.10 : 204,840.30 = 57,682.40 : x
  2. Step 2: Convert to fraction form
    136,633.10/204,840.30 = 57,682.40/x
  3. Step 3: Cross multiply
    136,633.10x = 204,840.30 × 57,682.40
  4. Step 4: Simplify right side
    136,633.10x = 11,815,680,120.72
  5. Step 5: Solve for x
    x = 11,815,680,120.72/136,633.10
  6. Step 6: Final answer
    x = 86,477.44

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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.