Home / 178,862.78-246,727.86-111,678.14

Finding the Fourth Proportional to 178,862.78, 246,727.86 and 111,678.14

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Solution

The fourth proportional to 178,862.78, 246,727.86 and 111,678.14 is: 154,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,862.78 : 246,727.86 = 111,678.14 : x
  2. Step 2: Convert to fraction form
    178,862.78/246,727.86 = 111,678.14/x
  3. Step 3: Cross multiply
    178,862.78x = 246,727.86 × 111,678.14
  4. Step 4: Simplify right side
    178,862.78x = 27,554,106,698.95
  5. Step 5: Solve for x
    x = 27,554,106,698.95/178,862.78
  6. Step 6: Final answer
    x = 154,051.66

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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.