Home / 181,768.20-250,837.74-105,297.72

Finding the Fourth Proportional to 181,768.20, 250,837.74 and 105,297.72

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Solution

The fourth proportional to 181,768.20, 250,837.74 and 105,297.72 is: 145,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,768.20 : 250,837.74 = 105,297.72 : x
  2. Step 2: Convert to fraction form
    181,768.20/250,837.74 = 105,297.72/x
  3. Step 3: Cross multiply
    181,768.20x = 250,837.74 × 105,297.72
  4. Step 4: Simplify right side
    181,768.20x = 26,412,642,111.95
  5. Step 5: Solve for x
    x = 26,412,642,111.95/181,768.20
  6. Step 6: Final answer
    x = 145,309.48

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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.