Home / 239,400.08-330,357.30-131,964.56

Finding the Fourth Proportional to 239,400.08, 330,357.30 and 131,964.56

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Solution

The fourth proportional to 239,400.08, 330,357.30 and 131,964.56 is: 182,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,400.08 : 330,357.30 = 131,964.56 : x
  2. Step 2: Convert to fraction form
    239,400.08/330,357.30 = 131,964.56/x
  3. Step 3: Cross multiply
    239,400.08x = 330,357.30 × 131,964.56
  4. Step 4: Simplify right side
    239,400.08x = 43,595,455,737.29
  5. Step 5: Solve for x
    x = 43,595,455,737.29/239,400.08
  6. Step 6: Final answer
    x = 182,102.93

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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.