Home / 181,387.50-250,338.37-109,768.72

Finding the Fourth Proportional to 181,387.50, 250,338.37 and 109,768.72

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Solution

The fourth proportional to 181,387.50, 250,338.37 and 109,768.72 is: 151,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,387.50 : 250,338.37 = 109,768.72 : x
  2. Step 2: Convert to fraction form
    181,387.50/250,338.37 = 109,768.72/x
  3. Step 3: Cross multiply
    181,387.50x = 250,338.37 × 109,768.72
  4. Step 4: Simplify right side
    181,387.50x = 27,479,322,525.44
  5. Step 5: Solve for x
    x = 27,479,322,525.44/181,387.50
  6. Step 6: Final answer
    x = 151,495.13

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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.