Home / 268,975.25-371,186.91-161,547.11

Finding the Fourth Proportional to 268,975.25, 371,186.91 and 161,547.11

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Solution

The fourth proportional to 268,975.25, 371,186.91 and 161,547.11 is: 222,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,975.25 : 371,186.91 = 161,547.11 : x
  2. Step 2: Convert to fraction form
    268,975.25/371,186.91 = 161,547.11/x
  3. Step 3: Cross multiply
    268,975.25x = 371,186.91 × 161,547.11
  4. Step 4: Simplify right side
    268,975.25x = 59,964,170,724.40
  5. Step 5: Solve for x
    x = 59,964,170,724.40/268,975.25
  6. Step 6: Final answer
    x = 222,935.65

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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.