Home / 178,948.78-246,922.56-102,455.80

Finding the Fourth Proportional to 178,948.78, 246,922.56 and 102,455.80

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Solution

The fourth proportional to 178,948.78, 246,922.56 and 102,455.80 is: 141,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,948.78 : 246,922.56 = 102,455.80 : x
  2. Step 2: Convert to fraction form
    178,948.78/246,922.56 = 102,455.80/x
  3. Step 3: Cross multiply
    178,948.78x = 246,922.56 × 102,455.80
  4. Step 4: Simplify right side
    178,948.78x = 25,298,648,422.85
  5. Step 5: Solve for x
    x = 25,298,648,422.85/178,948.78
  6. Step 6: Final answer
    x = 141,373.68

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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.