Home / 108,288.88-162,324.24-45,143.94

Finding the Fourth Proportional to 108,288.88, 162,324.24 and 45,143.94

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Solution

The fourth proportional to 108,288.88, 162,324.24 and 45,143.94 is: 67,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,288.88 : 162,324.24 = 45,143.94 : x
  2. Step 2: Convert to fraction form
    108,288.88/162,324.24 = 45,143.94/x
  3. Step 3: Cross multiply
    108,288.88x = 162,324.24 × 45,143.94
  4. Step 4: Simplify right side
    108,288.88x = 7,327,955,751.11
  5. Step 5: Solve for x
    x = 7,327,955,751.11/108,288.88
  6. Step 6: Final answer
    x = 67,670.44

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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.