Home / 181,218.18-250,081.67-100,645.69

Finding the Fourth Proportional to 181,218.18, 250,081.67 and 100,645.69

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Solution

The fourth proportional to 181,218.18, 250,081.67 and 100,645.69 is: 138,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,218.18 : 250,081.67 = 100,645.69 : x
  2. Step 2: Convert to fraction form
    181,218.18/250,081.67 = 100,645.69/x
  3. Step 3: Cross multiply
    181,218.18x = 250,081.67 × 100,645.69
  4. Step 4: Simplify right side
    181,218.18x = 25,169,642,233.50
  5. Step 5: Solve for x
    x = 25,169,642,233.50/181,218.18
  6. Step 6: Final answer
    x = 138,891.38

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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.