Home / 268,685.38-402,033.93-162,131.14

Finding the Fourth Proportional to 268,685.38, 402,033.93 and 162,131.14

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Solution

The fourth proportional to 268,685.38, 402,033.93 and 162,131.14 is: 242,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,685.38 : 402,033.93 = 162,131.14 : x
  2. Step 2: Convert to fraction form
    268,685.38/402,033.93 = 162,131.14/x
  3. Step 3: Cross multiply
    268,685.38x = 402,033.93 × 162,131.14
  4. Step 4: Simplify right side
    268,685.38x = 65,182,219,389.58
  5. Step 5: Solve for x
    x = 65,182,219,389.58/268,685.38
  6. Step 6: Final answer
    x = 242,596.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.