Home / 190,148.45-262,463.22-109,629.72

Finding the Fourth Proportional to 190,148.45, 262,463.22 and 109,629.72

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Solution

The fourth proportional to 190,148.45, 262,463.22 and 109,629.72 is: 151,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,148.45 : 262,463.22 = 109,629.72 : x
  2. Step 2: Convert to fraction form
    190,148.45/262,463.22 = 109,629.72/x
  3. Step 3: Cross multiply
    190,148.45x = 262,463.22 × 109,629.72
  4. Step 4: Simplify right side
    190,148.45x = 28,773,769,318.90
  5. Step 5: Solve for x
    x = 28,773,769,318.90/190,148.45
  6. Step 6: Final answer
    x = 151,322.66

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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.