Home / 123,670.45-185,505.68-30,176.20

Finding the Fourth Proportional to 123,670.45, 185,505.68 and 30,176.20

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Solution

The fourth proportional to 123,670.45, 185,505.68 and 30,176.20 is: 45,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670.45 : 185,505.68 = 30,176.20 : x
  2. Step 2: Convert to fraction form
    123,670.45/185,505.68 = 30,176.20/x
  3. Step 3: Cross multiply
    123,670.45x = 185,505.68 × 30,176.20
  4. Step 4: Simplify right side
    123,670.45x = 5,597,856,500.82
  5. Step 5: Solve for x
    x = 5,597,856,500.82/123,670.45
  6. Step 6: Final answer
    x = 45,264.30

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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.