Home / 212,455.11-293,192.84-120,580.45

Finding the Fourth Proportional to 212,455.11, 293,192.84 and 120,580.45

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Solution

The fourth proportional to 212,455.11, 293,192.84 and 120,580.45 is: 166,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,455.11 : 293,192.84 = 120,580.45 : x
  2. Step 2: Convert to fraction form
    212,455.11/293,192.84 = 120,580.45/x
  3. Step 3: Cross multiply
    212,455.11x = 293,192.84 × 120,580.45
  4. Step 4: Simplify right side
    212,455.11x = 35,353,324,583.98
  5. Step 5: Solve for x
    x = 35,353,324,583.98/212,455.11
  6. Step 6: Final answer
    x = 166,403.74

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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.