Home / 148,761.33-222,761.03-82,127.49

Finding the Fourth Proportional to 148,761.33, 222,761.03 and 82,127.49

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Solution

The fourth proportional to 148,761.33, 222,761.03 and 82,127.49 is: 122,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,761.33 : 222,761.03 = 82,127.49 : x
  2. Step 2: Convert to fraction form
    148,761.33/222,761.03 = 82,127.49/x
  3. Step 3: Cross multiply
    148,761.33x = 222,761.03 × 82,127.49
  4. Step 4: Simplify right side
    148,761.33x = 18,294,803,853.08
  5. Step 5: Solve for x
    x = 18,294,803,853.08/148,761.33
  6. Step 6: Final answer
    x = 122,980.91

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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.