Home / 181,620.35-250,632.17-105,142.68

Finding the Fourth Proportional to 181,620.35, 250,632.17 and 105,142.68

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Solution

The fourth proportional to 181,620.35, 250,632.17 and 105,142.68 is: 145,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,620.35 : 250,632.17 = 105,142.68 : x
  2. Step 2: Convert to fraction form
    181,620.35/250,632.17 = 105,142.68/x
  3. Step 3: Cross multiply
    181,620.35x = 250,632.17 × 105,142.68
  4. Step 4: Simplify right side
    181,620.35x = 26,352,138,048.02
  5. Step 5: Solve for x
    x = 26,352,138,048.02/181,620.35
  6. Step 6: Final answer
    x = 145,094.63

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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.