Home / 268,014.36-369,860.10-159,140.43

Finding the Fourth Proportional to 268,014.36, 369,860.10 and 159,140.43

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Solution

The fourth proportional to 268,014.36, 369,860.10 and 159,140.43 is: 219,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,014.36 : 369,860.10 = 159,140.43 : x
  2. Step 2: Convert to fraction form
    268,014.36/369,860.10 = 159,140.43/x
  3. Step 3: Cross multiply
    268,014.36x = 369,860.10 × 159,140.43
  4. Step 4: Simplify right side
    268,014.36x = 58,859,695,353.84
  5. Step 5: Solve for x
    x = 58,859,695,353.84/268,014.36
  6. Step 6: Final answer
    x = 219,613.96

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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.