Home / 178,928.49-246,885.87-102,471.89

Finding the Fourth Proportional to 178,928.49, 246,885.87 and 102,471.89

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Solution

The fourth proportional to 178,928.49, 246,885.87 and 102,471.89 is: 141,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,928.49 : 246,885.87 = 102,471.89 : x
  2. Step 2: Convert to fraction form
    178,928.49/246,885.87 = 102,471.89/x
  3. Step 3: Cross multiply
    178,928.49x = 246,885.87 × 102,471.89
  4. Step 4: Simplify right side
    178,928.49x = 25,298,860,863.03
  5. Step 5: Solve for x
    x = 25,298,860,863.03/178,928.49
  6. Step 6: Final answer
    x = 141,390.90

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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.