Home / 181,321.24-272,011.02-76,170.28

Finding the Fourth Proportional to 181,321.24, 272,011.02 and 76,170.28

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Solution

The fourth proportional to 181,321.24, 272,011.02 and 76,170.28 is: 114,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,321.24 : 272,011.02 = 76,170.28 : x
  2. Step 2: Convert to fraction form
    181,321.24/272,011.02 = 76,170.28/x
  3. Step 3: Cross multiply
    181,321.24x = 272,011.02 × 76,170.28
  4. Step 4: Simplify right side
    181,321.24x = 20,719,155,556.49
  5. Step 5: Solve for x
    x = 20,719,155,556.49/181,321.24
  6. Step 6: Final answer
    x = 114,267.67

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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.