Home / 136,142.15-204,214.23-47,395.44

Finding the Fourth Proportional to 136,142.15, 204,214.23 and 47,395.44

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Solution

The fourth proportional to 136,142.15, 204,214.23 and 47,395.44 is: 71,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,142.15 : 204,214.23 = 47,395.44 : x
  2. Step 2: Convert to fraction form
    136,142.15/204,214.23 = 47,395.44/x
  3. Step 3: Cross multiply
    136,142.15x = 204,214.23 × 47,395.44
  4. Step 4: Simplify right side
    136,142.15x = 9,678,823,285.11
  5. Step 5: Solve for x
    x = 9,678,823,285.11/136,142.15
  6. Step 6: Final answer
    x = 71,093.51

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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.