Home / 123,045.28-184,410.24-66,911.20

Finding the Fourth Proportional to 123,045.28, 184,410.24 and 66,911.20

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Solution

The fourth proportional to 123,045.28, 184,410.24 and 66,911.20 is: 100,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,045.28 : 184,410.24 = 66,911.20 : x
  2. Step 2: Convert to fraction form
    123,045.28/184,410.24 = 66,911.20/x
  3. Step 3: Cross multiply
    123,045.28x = 184,410.24 × 66,911.20
  4. Step 4: Simplify right side
    123,045.28x = 12,339,110,450.69
  5. Step 5: Solve for x
    x = 12,339,110,450.69/123,045.28
  6. Step 6: Final answer
    x = 100,281.05

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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.