Home / 239,419.70-330,401.32-131,993.52

Finding the Fourth Proportional to 239,419.70, 330,401.32 and 131,993.52

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Solution

The fourth proportional to 239,419.70, 330,401.32 and 131,993.52 is: 182,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,419.70 : 330,401.32 = 131,993.52 : x
  2. Step 2: Convert to fraction form
    239,419.70/330,401.32 = 131,993.52/x
  3. Step 3: Cross multiply
    239,419.70x = 330,401.32 × 131,993.52
  4. Step 4: Simplify right side
    239,419.70x = 43,610,833,239.45
  5. Step 5: Solve for x
    x = 43,610,833,239.45/239,419.70
  6. Step 6: Final answer
    x = 182,152.23

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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.