Home / 181,788.90-250,803.75-105,266.22

Finding the Fourth Proportional to 181,788.90, 250,803.75 and 105,266.22

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Solution

The fourth proportional to 181,788.90, 250,803.75 and 105,266.22 is: 145,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,788.90 : 250,803.75 = 105,266.22 : x
  2. Step 2: Convert to fraction form
    181,788.90/250,803.75 = 105,266.22/x
  3. Step 3: Cross multiply
    181,788.90x = 250,803.75 × 105,266.22
  4. Step 4: Simplify right side
    181,788.90x = 26,401,162,724.33
  5. Step 5: Solve for x
    x = 26,401,162,724.33/181,788.90
  6. Step 6: Final answer
    x = 145,229.78

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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.