Home / 123,353.68-185,037.07-39,120.48

Finding the Fourth Proportional to 123,353.68, 185,037.07 and 39,120.48

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Solution

The fourth proportional to 123,353.68, 185,037.07 and 39,120.48 is: 58,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,353.68 : 185,037.07 = 39,120.48 : x
  2. Step 2: Convert to fraction form
    123,353.68/185,037.07 = 39,120.48/x
  3. Step 3: Cross multiply
    123,353.68x = 185,037.07 × 39,120.48
  4. Step 4: Simplify right side
    123,353.68x = 7,238,738,996.19
  5. Step 5: Solve for x
    x = 7,238,738,996.19/123,353.68
  6. Step 6: Final answer
    x = 58,682.80

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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.