Home / 190,140.32-262,408.22-108,470.37

Finding the Fourth Proportional to 190,140.32, 262,408.22 and 108,470.37

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Solution

The fourth proportional to 190,140.32, 262,408.22 and 108,470.37 is: 149,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,140.32 : 262,408.22 = 108,470.37 : x
  2. Step 2: Convert to fraction form
    190,140.32/262,408.22 = 108,470.37/x
  3. Step 3: Cross multiply
    190,140.32x = 262,408.22 × 108,470.37
  4. Step 4: Simplify right side
    190,140.32x = 28,463,516,714.44
  5. Step 5: Solve for x
    x = 28,463,516,714.44/190,140.32
  6. Step 6: Final answer
    x = 149,697.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.