Home / 136,439.10-204,622.20-41,669.10

Finding the Fourth Proportional to 136,439.10, 204,622.20 and 41,669.10

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Solution

The fourth proportional to 136,439.10, 204,622.20 and 41,669.10 is: 62,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,439.10 : 204,622.20 = 41,669.10 : x
  2. Step 2: Convert to fraction form
    136,439.10/204,622.20 = 41,669.10/x
  3. Step 3: Cross multiply
    136,439.10x = 204,622.20 × 41,669.10
  4. Step 4: Simplify right side
    136,439.10x = 8,526,422,914.02
  5. Step 5: Solve for x
    x = 8,526,422,914.02/136,439.10
  6. Step 6: Final answer
    x = 62,492.52

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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.