Home / 212,226.42-292,866.70-120,362.56

Finding the Fourth Proportional to 212,226.42, 292,866.70 and 120,362.56

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Solution

The fourth proportional to 212,226.42, 292,866.70 and 120,362.56 is: 166,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,226.42 : 292,866.70 = 120,362.56 : x
  2. Step 2: Convert to fraction form
    212,226.42/292,866.70 = 120,362.56/x
  3. Step 3: Cross multiply
    212,226.42x = 292,866.70 × 120,362.56
  4. Step 4: Simplify right side
    212,226.42x = 35,250,185,750.75
  5. Step 5: Solve for x
    x = 35,250,185,750.75/212,226.42
  6. Step 6: Final answer
    x = 166,097.07

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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.