Home / 190,662.32-263,004.62-118,917.84

Finding the Fourth Proportional to 190,662.32, 263,004.62 and 118,917.84

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Solution

The fourth proportional to 190,662.32, 263,004.62 and 118,917.84 is: 164,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,662.32 : 263,004.62 = 118,917.84 : x
  2. Step 2: Convert to fraction form
    190,662.32/263,004.62 = 118,917.84/x
  3. Step 3: Cross multiply
    190,662.32x = 263,004.62 × 118,917.84
  4. Step 4: Simplify right side
    190,662.32x = 31,275,941,320.42
  5. Step 5: Solve for x
    x = 31,275,941,320.42/190,662.32
  6. Step 6: Final answer
    x = 164,038.40

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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.