Home / 122,480.72-183,755.64-48,660.56

Finding the Fourth Proportional to 122,480.72, 183,755.64 and 48,660.56

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Solution

The fourth proportional to 122,480.72, 183,755.64 and 48,660.56 is: 73,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,480.72 : 183,755.64 = 48,660.56 : x
  2. Step 2: Convert to fraction form
    122,480.72/183,755.64 = 48,660.56/x
  3. Step 3: Cross multiply
    122,480.72x = 183,755.64 × 48,660.56
  4. Step 4: Simplify right side
    122,480.72x = 8,941,652,345.56
  5. Step 5: Solve for x
    x = 8,941,652,345.56/122,480.72
  6. Step 6: Final answer
    x = 73,004.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.