Home / 178,821.42-246,670.92-111,636.78

Finding the Fourth Proportional to 178,821.42, 246,670.92 and 111,636.78

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Solution

The fourth proportional to 178,821.42, 246,670.92 and 111,636.78 is: 153,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,821.42 : 246,670.92 = 111,636.78 : x
  2. Step 2: Convert to fraction form
    178,821.42/246,670.92 = 111,636.78/x
  3. Step 3: Cross multiply
    178,821.42x = 246,670.92 × 111,636.78
  4. Step 4: Simplify right side
    178,821.42x = 27,537,547,228.44
  5. Step 5: Solve for x
    x = 27,537,547,228.44/178,821.42
  6. Step 6: Final answer
    x = 153,994.68

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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.