Home / 269,025.05-371,271.36-148,166.30

Finding the Fourth Proportional to 269,025.05, 371,271.36 and 148,166.30

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Solution

The fourth proportional to 269,025.05, 371,271.36 and 148,166.30 is: 204,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,025.05 : 371,271.36 = 148,166.30 : x
  2. Step 2: Convert to fraction form
    269,025.05/371,271.36 = 148,166.30/x
  3. Step 3: Cross multiply
    269,025.05x = 371,271.36 × 148,166.30
  4. Step 4: Simplify right side
    269,025.05x = 55,009,901,850.81
  5. Step 5: Solve for x
    x = 55,009,901,850.81/269,025.05
  6. Step 6: Final answer
    x = 204,478.74

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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.