Home / 74,186.71-111,280.21-18,026.87

Finding the Fourth Proportional to 74,186.71, 111,280.21 and 18,026.87

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Solution

The fourth proportional to 74,186.71, 111,280.21 and 18,026.87 is: 27,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,186.71 : 111,280.21 = 18,026.87 : x
  2. Step 2: Convert to fraction form
    74,186.71/111,280.21 = 18,026.87/x
  3. Step 3: Cross multiply
    74,186.71x = 111,280.21 × 18,026.87
  4. Step 4: Simplify right side
    74,186.71x = 2,006,033,789.11
  5. Step 5: Solve for x
    x = 2,006,033,789.11/74,186.71
  6. Step 6: Final answer
    x = 27,040.34

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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.