Home / 190,120.77-262,352.06-109,494.28

Finding the Fourth Proportional to 190,120.77, 262,352.06 and 109,494.28

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Solution

The fourth proportional to 190,120.77, 262,352.06 and 109,494.28 is: 151,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,120.77 : 262,352.06 = 109,494.28 : x
  2. Step 2: Convert to fraction form
    190,120.77/262,352.06 = 109,494.28/x
  3. Step 3: Cross multiply
    190,120.77x = 262,352.06 × 109,494.28
  4. Step 4: Simplify right side
    190,120.77x = 28,726,050,723.19
  5. Step 5: Solve for x
    x = 28,726,050,723.19/190,120.77
  6. Step 6: Final answer
    x = 151,093.70

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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.