Home / 181,401.10-272,004.45-76,101.10

Finding the Fourth Proportional to 181,401.10, 272,004.45 and 76,101.10

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Solution

The fourth proportional to 181,401.10, 272,004.45 and 76,101.10 is: 114,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,401.10 : 272,004.45 = 76,101.10 : x
  2. Step 2: Convert to fraction form
    181,401.10/272,004.45 = 76,101.10/x
  3. Step 3: Cross multiply
    181,401.10x = 272,004.45 × 76,101.10
  4. Step 4: Simplify right side
    181,401.10x = 20,699,837,849.90
  5. Step 5: Solve for x
    x = 20,699,837,849.90/181,401.10
  6. Step 6: Final answer
    x = 114,110.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.