Home / 268,120.68-370,179.90-166,254.36

Finding the Fourth Proportional to 268,120.68, 370,179.90 and 166,254.36

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Solution

The fourth proportional to 268,120.68, 370,179.90 and 166,254.36 is: 229,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,120.68 : 370,179.90 = 166,254.36 : x
  2. Step 2: Convert to fraction form
    268,120.68/370,179.90 = 166,254.36/x
  3. Step 3: Cross multiply
    268,120.68x = 370,179.90 × 166,254.36
  4. Step 4: Simplify right side
    268,120.68x = 61,544,022,359.36
  5. Step 5: Solve for x
    x = 61,544,022,359.36/268,120.68
  6. Step 6: Final answer
    x = 229,538.51

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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.