Home / 194,904.16-268,968-105,480.16

Finding the Fourth Proportional to 194,904.16, 268,968 and 105,480.16

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Solution

The fourth proportional to 194,904.16, 268,968 and 105,480.16 is: 145,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,904.16 : 268,968 = 105,480.16 : x
  2. Step 2: Convert to fraction form
    194,904.16/268,968 = 105,480.16/x
  3. Step 3: Cross multiply
    194,904.16x = 268,968 × 105,480.16
  4. Step 4: Simplify right side
    194,904.16x = 28,370,787,674.88
  5. Step 5: Solve for x
    x = 28,370,787,674.88/194,904.16
  6. Step 6: Final answer
    x = 145,562.76

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1.5x scale

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.