Home / 180,815.90-270,964.65-133,058.30

Finding the Fourth Proportional to 180,815.90, 270,964.65 and 133,058.30

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Solution

The fourth proportional to 180,815.90, 270,964.65 and 133,058.30 is: 199,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,815.90 : 270,964.65 = 133,058.30 : x
  2. Step 2: Convert to fraction form
    180,815.90/270,964.65 = 133,058.30/x
  3. Step 3: Cross multiply
    180,815.90x = 270,964.65 × 133,058.30
  4. Step 4: Simplify right side
    180,815.90x = 36,054,095,689.10
  5. Step 5: Solve for x
    x = 36,054,095,689.10/180,815.90
  6. Step 6: Final answer
    x = 199,396.71

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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.