Home / 222,506.10-307,058.76-120,531.78

Finding the Fourth Proportional to 222,506.10, 307,058.76 and 120,531.78

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Solution

The fourth proportional to 222,506.10, 307,058.76 and 120,531.78 is: 166,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,506.10 : 307,058.76 = 120,531.78 : x
  2. Step 2: Convert to fraction form
    222,506.10/307,058.76 = 120,531.78/x
  3. Step 3: Cross multiply
    222,506.10x = 307,058.76 × 120,531.78
  4. Step 4: Simplify right side
    222,506.10x = 37,010,338,907.39
  5. Step 5: Solve for x
    x = 37,010,338,907.39/222,506.10
  6. Step 6: Final answer
    x = 166,334.04

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1.5x scale

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.