Home / 145,021.11-200,084.27-84,548.96

Finding the Fourth Proportional to 145,021.11, 200,084.27 and 84,548.96

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Solution

The fourth proportional to 145,021.11, 200,084.27 and 84,548.96 is: 116,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,021.11 : 200,084.27 = 84,548.96 : x
  2. Step 2: Convert to fraction form
    145,021.11/200,084.27 = 84,548.96/x
  3. Step 3: Cross multiply
    145,021.11x = 200,084.27 × 84,548.96
  4. Step 4: Simplify right side
    145,021.11x = 16,916,915,517.69
  5. Step 5: Solve for x
    x = 16,916,915,517.69/145,021.11
  6. Step 6: Final answer
    x = 116,651.40

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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.