Home / 239,317.08-330,258.87-137,334.42

Finding the Fourth Proportional to 239,317.08, 330,258.87 and 137,334.42

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Solution

The fourth proportional to 239,317.08, 330,258.87 and 137,334.42 is: 189,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,317.08 : 330,258.87 = 137,334.42 : x
  2. Step 2: Convert to fraction form
    239,317.08/330,258.87 = 137,334.42/x
  3. Step 3: Cross multiply
    239,317.08x = 330,258.87 × 137,334.42
  4. Step 4: Simplify right side
    239,317.08x = 45,355,910,361.31
  5. Step 5: Solve for x
    x = 45,355,910,361.31/239,317.08
  6. Step 6: Final answer
    x = 189,522.25

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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.