Home / 177,917.94-245,527.74-100,394.28

Finding the Fourth Proportional to 177,917.94, 245,527.74 and 100,394.28

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Solution

The fourth proportional to 177,917.94, 245,527.74 and 100,394.28 is: 138,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,917.94 : 245,527.74 = 100,394.28 : x
  2. Step 2: Convert to fraction form
    177,917.94/245,527.74 = 100,394.28/x
  3. Step 3: Cross multiply
    177,917.94x = 245,527.74 × 100,394.28
  4. Step 4: Simplify right side
    177,917.94x = 24,649,580,677.33
  5. Step 5: Solve for x
    x = 24,649,580,677.33/177,917.94
  6. Step 6: Final answer
    x = 138,544.66

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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.