Home / 122,239.20-183,391.20-43,345.20

Finding the Fourth Proportional to 122,239.20, 183,391.20 and 43,345.20

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Solution

The fourth proportional to 122,239.20, 183,391.20 and 43,345.20 is: 65,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,239.20 : 183,391.20 = 43,345.20 : x
  2. Step 2: Convert to fraction form
    122,239.20/183,391.20 = 43,345.20/x
  3. Step 3: Cross multiply
    122,239.20x = 183,391.20 × 43,345.20
  4. Step 4: Simplify right side
    122,239.20x = 7,949,128,242.24
  5. Step 5: Solve for x
    x = 7,949,128,242.24/122,239.20
  6. Step 6: Final answer
    x = 65,029.29

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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.