Home / 154,220.55-231,330.83-92,012.55

Finding the Fourth Proportional to 154,220.55, 231,330.83 and 92,012.55

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Solution

The fourth proportional to 154,220.55, 231,330.83 and 92,012.55 is: 138,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,220.55 : 231,330.83 = 92,012.55 : x
  2. Step 2: Convert to fraction form
    154,220.55/231,330.83 = 92,012.55/x
  3. Step 3: Cross multiply
    154,220.55x = 231,330.83 × 92,012.55
  4. Step 4: Simplify right side
    154,220.55x = 21,285,339,101.85
  5. Step 5: Solve for x
    x = 21,285,339,101.85/154,220.55
  6. Step 6: Final answer
    x = 138,018.83

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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.