Home / 145,447.27-200,684.53-84,183.95

Finding the Fourth Proportional to 145,447.27, 200,684.53 and 84,183.95

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Solution

The fourth proportional to 145,447.27, 200,684.53 and 84,183.95 is: 116,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,447.27 : 200,684.53 = 84,183.95 : x
  2. Step 2: Convert to fraction form
    145,447.27/200,684.53 = 84,183.95/x
  3. Step 3: Cross multiply
    145,447.27x = 200,684.53 × 84,183.95
  4. Step 4: Simplify right side
    145,447.27x = 16,894,416,439.29
  5. Step 5: Solve for x
    x = 16,894,416,439.29/145,447.27
  6. Step 6: Final answer
    x = 116,154.92

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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.