Home / 194,904.19-268,967.78-105,480.19

Finding the Fourth Proportional to 194,904.19, 268,967.78 and 105,480.19

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Solution

The fourth proportional to 194,904.19, 268,967.78 and 105,480.19 is: 145,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,904.19 : 268,967.78 = 105,480.19 : x
  2. Step 2: Convert to fraction form
    194,904.19/268,967.78 = 105,480.19/x
  3. Step 3: Cross multiply
    194,904.19x = 268,967.78 × 105,480.19
  4. Step 4: Simplify right side
    194,904.19x = 28,370,772,129.56
  5. Step 5: Solve for x
    x = 28,370,772,129.56/194,904.19
  6. Step 6: Final answer
    x = 145,562.66

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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.