Home / 264,146.90-395,520.51-139,225.46

Finding the Fourth Proportional to 264,146.90, 395,520.51 and 139,225.46

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Solution

The fourth proportional to 264,146.90, 395,520.51 and 139,225.46 is: 208,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,146.90 : 395,520.51 = 139,225.46 : x
  2. Step 2: Convert to fraction form
    264,146.90/395,520.51 = 139,225.46/x
  3. Step 3: Cross multiply
    264,146.90x = 395,520.51 × 139,225.46
  4. Step 4: Simplify right side
    264,146.90x = 55,066,524,944.18
  5. Step 5: Solve for x
    x = 55,066,524,944.18/264,146.90
  6. Step 6: Final answer
    x = 208,469.32

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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.