Home / 239,223.42-330,116.49-131,790.60

Finding the Fourth Proportional to 239,223.42, 330,116.49 and 131,790.60

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Solution

The fourth proportional to 239,223.42, 330,116.49 and 131,790.60 is: 181,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,223.42 : 330,116.49 = 131,790.60 : x
  2. Step 2: Convert to fraction form
    239,223.42/330,116.49 = 131,790.60/x
  3. Step 3: Cross multiply
    239,223.42x = 330,116.49 × 131,790.60
  4. Step 4: Simplify right side
    239,223.42x = 43,506,250,286.99
  5. Step 5: Solve for x
    x = 43,506,250,286.99/239,223.42
  6. Step 6: Final answer
    x = 181,864.51

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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.