Home / 246,632.72-340,354.32-139,207.28

Finding the Fourth Proportional to 246,632.72, 340,354.32 and 139,207.28

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Solution

The fourth proportional to 246,632.72, 340,354.32 and 139,207.28 is: 192,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,632.72 : 340,354.32 = 139,207.28 : x
  2. Step 2: Convert to fraction form
    246,632.72/340,354.32 = 139,207.28/x
  3. Step 3: Cross multiply
    246,632.72x = 340,354.32 × 139,207.28
  4. Step 4: Simplify right side
    246,632.72x = 47,379,799,123.45
  5. Step 5: Solve for x
    x = 47,379,799,123.45/246,632.72
  6. Step 6: Final answer
    x = 192,106.70

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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.