Home / 111,280.07-166,920.31-27,040.31

Finding the Fourth Proportional to 111,280.07, 166,920.31 and 27,040.31

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Solution

The fourth proportional to 111,280.07, 166,920.31 and 27,040.31 is: 40,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,280.07 : 166,920.31 = 27,040.31 : x
  2. Step 2: Convert to fraction form
    111,280.07/166,920.31 = 27,040.31/x
  3. Step 3: Cross multiply
    111,280.07x = 166,920.31 × 27,040.31
  4. Step 4: Simplify right side
    111,280.07x = 4,513,576,025.49
  5. Step 5: Solve for x
    x = 4,513,576,025.49/111,280.07
  6. Step 6: Final answer
    x = 40,560.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.