Home / 159,033.40-219,467.30-87,414.60

Finding the Fourth Proportional to 159,033.40, 219,467.30 and 87,414.60

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Solution

The fourth proportional to 159,033.40, 219,467.30 and 87,414.60 is: 120,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,033.40 : 219,467.30 = 87,414.60 : x
  2. Step 2: Convert to fraction form
    159,033.40/219,467.30 = 87,414.60/x
  3. Step 3: Cross multiply
    159,033.40x = 219,467.30 × 87,414.60
  4. Step 4: Simplify right side
    159,033.40x = 19,184,646,242.58
  5. Step 5: Solve for x
    x = 19,184,646,242.58/159,033.40
  6. Step 6: Final answer
    x = 120,632.81

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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.