Home / 148,326.21-222,522.32-81,732.06

Finding the Fourth Proportional to 148,326.21, 222,522.32 and 81,732.06

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Solution

The fourth proportional to 148,326.21, 222,522.32 and 81,732.06 is: 122,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,326.21 : 222,522.32 = 81,732.06 : x
  2. Step 2: Convert to fraction form
    148,326.21/222,522.32 = 81,732.06/x
  3. Step 3: Cross multiply
    148,326.21x = 222,522.32 × 81,732.06
  4. Step 4: Simplify right side
    148,326.21x = 18,187,207,813.91
  5. Step 5: Solve for x
    x = 18,187,207,813.91/148,326.21
  6. Step 6: Final answer
    x = 122,616.28

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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.