Home / 178,007.72-245,712.10-102,586.28

Finding the Fourth Proportional to 178,007.72, 245,712.10 and 102,586.28

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Solution

The fourth proportional to 178,007.72, 245,712.10 and 102,586.28 is: 141,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,007.72 : 245,712.10 = 102,586.28 : x
  2. Step 2: Convert to fraction form
    178,007.72/245,712.10 = 102,586.28/x
  3. Step 3: Cross multiply
    178,007.72x = 245,712.10 × 102,586.28
  4. Step 4: Simplify right side
    178,007.72x = 25,206,690,289.99
  5. Step 5: Solve for x
    x = 25,206,690,289.99/178,007.72
  6. Step 6: Final answer
    x = 141,604.48

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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.