Home / 154,266.85-212,998.58-120,313.27

Finding the Fourth Proportional to 154,266.85, 212,998.58 and 120,313.27

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Solution

The fourth proportional to 154,266.85, 212,998.58 and 120,313.27 is: 166,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,266.85 : 212,998.58 = 120,313.27 : x
  2. Step 2: Convert to fraction form
    154,266.85/212,998.58 = 120,313.27/x
  3. Step 3: Cross multiply
    154,266.85x = 212,998.58 × 120,313.27
  4. Step 4: Simplify right side
    154,266.85x = 25,626,555,665.16
  5. Step 5: Solve for x
    x = 25,626,555,665.16/154,266.85
  6. Step 6: Final answer
    x = 166,118.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.