Home / 239,363.09-330,315.21-131,930.76

Finding the Fourth Proportional to 239,363.09, 330,315.21 and 131,930.76

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Solution

The fourth proportional to 239,363.09, 330,315.21 and 131,930.76 is: 182,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,363.09 : 330,315.21 = 131,930.76 : x
  2. Step 2: Convert to fraction form
    239,363.09/330,315.21 = 131,930.76/x
  3. Step 3: Cross multiply
    239,363.09x = 330,315.21 × 131,930.76
  4. Step 4: Simplify right side
    239,363.09x = 43,578,736,694.86
  5. Step 5: Solve for x
    x = 43,578,736,694.86/239,363.09
  6. Step 6: Final answer
    x = 182,061.23

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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.