Home / 239,190.68-330,083.52-131,761.16

Finding the Fourth Proportional to 239,190.68, 330,083.52 and 131,761.16

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Solution

The fourth proportional to 239,190.68, 330,083.52 and 131,761.16 is: 181,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,190.68 : 330,083.52 = 131,761.16 : x
  2. Step 2: Convert to fraction form
    239,190.68/330,083.52 = 131,761.16/x
  3. Step 3: Cross multiply
    239,190.68x = 330,083.52 × 131,761.16
  4. Step 4: Simplify right side
    239,190.68x = 43,492,187,492.08
  5. Step 5: Solve for x
    x = 43,492,187,492.08/239,190.68
  6. Step 6: Final answer
    x = 181,830.61

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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.