Home / 181,205.48-250,055.22-100,638.12

Finding the Fourth Proportional to 181,205.48, 250,055.22 and 100,638.12

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Solution

The fourth proportional to 181,205.48, 250,055.22 and 100,638.12 is: 138,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,205.48 : 250,055.22 = 100,638.12 : x
  2. Step 2: Convert to fraction form
    181,205.48/250,055.22 = 100,638.12/x
  3. Step 3: Cross multiply
    181,205.48x = 250,055.22 × 100,638.12
  4. Step 4: Simplify right side
    181,205.48x = 25,165,087,236.99
  5. Step 5: Solve for x
    x = 25,165,087,236.99/181,205.48
  6. Step 6: Final answer
    x = 138,875.97

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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.