Home / 239,163.30-330,047.46-131,737.05

Finding the Fourth Proportional to 239,163.30, 330,047.46 and 131,737.05

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Solution

The fourth proportional to 239,163.30, 330,047.46 and 131,737.05 is: 181,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,163.30 : 330,047.46 = 131,737.05 : x
  2. Step 2: Convert to fraction form
    239,163.30/330,047.46 = 131,737.05/x
  3. Step 3: Cross multiply
    239,163.30x = 330,047.46 × 131,737.05
  4. Step 4: Simplify right side
    239,163.30x = 43,479,478,740.39
  5. Step 5: Solve for x
    x = 43,479,478,740.39/239,163.30
  6. Step 6: Final answer
    x = 181,798.29

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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.