Home / 268,105.68-370,159.20-166,239.36

Finding the Fourth Proportional to 268,105.68, 370,159.20 and 166,239.36

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Solution

The fourth proportional to 268,105.68, 370,159.20 and 166,239.36 is: 229,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,105.68 : 370,159.20 = 166,239.36 : x
  2. Step 2: Convert to fraction form
    268,105.68/370,159.20 = 166,239.36/x
  3. Step 3: Cross multiply
    268,105.68x = 370,159.20 × 166,239.36
  4. Step 4: Simplify right side
    268,105.68x = 61,535,028,506.11
  5. Step 5: Solve for x
    x = 61,535,028,506.11/268,105.68
  6. Step 6: Final answer
    x = 229,517.81

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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.