Home / 122,320.82-183,508.86-43,435.10

Finding the Fourth Proportional to 122,320.82, 183,508.86 and 43,435.10

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Solution

The fourth proportional to 122,320.82, 183,508.86 and 43,435.10 is: 65,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,320.82 : 183,508.86 = 43,435.10 : x
  2. Step 2: Convert to fraction form
    122,320.82/183,508.86 = 43,435.10/x
  3. Step 3: Cross multiply
    122,320.82x = 183,508.86 × 43,435.10
  4. Step 4: Simplify right side
    122,320.82x = 7,970,725,684.99
  5. Step 5: Solve for x
    x = 7,970,725,684.99/122,320.82
  6. Step 6: Final answer
    x = 65,162.46

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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.