Home / 239,226.47-330,131.76-131,795.57

Finding the Fourth Proportional to 239,226.47, 330,131.76 and 131,795.57

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Solution

The fourth proportional to 239,226.47, 330,131.76 and 131,795.57 is: 181,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,226.47 : 330,131.76 = 131,795.57 : x
  2. Step 2: Convert to fraction form
    239,226.47/330,131.76 = 131,795.57/x
  3. Step 3: Cross multiply
    239,226.47x = 330,131.76 × 131,795.57
  4. Step 4: Simplify right side
    239,226.47x = 43,509,901,833.64
  5. Step 5: Solve for x
    x = 43,509,901,833.64/239,226.47
  6. Step 6: Final answer
    x = 181,877.46

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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.