Home / 268,121.64-369,966.72-154,922.52

Finding the Fourth Proportional to 268,121.64, 369,966.72 and 154,922.52

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Solution

The fourth proportional to 268,121.64, 369,966.72 and 154,922.52 is: 213,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,121.64 : 369,966.72 = 154,922.52 : x
  2. Step 2: Convert to fraction form
    268,121.64/369,966.72 = 154,922.52/x
  3. Step 3: Cross multiply
    268,121.64x = 369,966.72 × 154,922.52
  4. Step 4: Simplify right side
    268,121.64x = 57,316,176,578.53
  5. Step 5: Solve for x
    x = 57,316,176,578.53/268,121.64
  6. Step 6: Final answer
    x = 213,769.30

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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.