Home / 239,351.34-330,303.20-131,921.43

Finding the Fourth Proportional to 239,351.34, 330,303.20 and 131,921.43

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Solution

The fourth proportional to 239,351.34, 330,303.20 and 131,921.43 is: 182,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,351.34 : 330,303.20 = 131,921.43 : x
  2. Step 2: Convert to fraction form
    239,351.34/330,303.20 = 131,921.43/x
  3. Step 3: Cross multiply
    239,351.34x = 330,303.20 × 131,921.43
  4. Step 4: Simplify right side
    239,351.34x = 43,574,069,817.97
  5. Step 5: Solve for x
    x = 43,574,069,817.97/239,351.34
  6. Step 6: Final answer
    x = 182,050.66

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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.