Home / 123,382.48-184,619-87,252.24

Finding the Fourth Proportional to 123,382.48, 184,619 and 87,252.24

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Solution

The fourth proportional to 123,382.48, 184,619 and 87,252.24 is: 130,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,382.48 : 184,619 = 87,252.24 : x
  2. Step 2: Convert to fraction form
    123,382.48/184,619 = 87,252.24/x
  3. Step 3: Cross multiply
    123,382.48x = 184,619 × 87,252.24
  4. Step 4: Simplify right side
    123,382.48x = 16,108,421,296.56
  5. Step 5: Solve for x
    x = 16,108,421,296.56/123,382.48
  6. Step 6: Final answer
    x = 130,556.80

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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.