Home / 194,682.13-268,661.33-105,258.13

Finding the Fourth Proportional to 194,682.13, 268,661.33 and 105,258.13

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Solution

The fourth proportional to 194,682.13, 268,661.33 and 105,258.13 is: 145,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,682.13 : 268,661.33 = 105,258.13 : x
  2. Step 2: Convert to fraction form
    194,682.13/268,661.33 = 105,258.13/x
  3. Step 3: Cross multiply
    194,682.13x = 268,661.33 × 105,258.13
  4. Step 4: Simplify right side
    194,682.13x = 28,278,789,199.11
  5. Step 5: Solve for x
    x = 28,278,789,199.11/194,682.13
  6. Step 6: Final answer
    x = 145,256.21

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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.