Home / 122,137.29-183,292.51-55,585.98

Finding the Fourth Proportional to 122,137.29, 183,292.51 and 55,585.98

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Solution

The fourth proportional to 122,137.29, 183,292.51 and 55,585.98 is: 83,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,137.29 : 183,292.51 = 55,585.98 : x
  2. Step 2: Convert to fraction form
    122,137.29/183,292.51 = 55,585.98/x
  3. Step 3: Cross multiply
    122,137.29x = 183,292.51 × 55,585.98
  4. Step 4: Simplify right side
    122,137.29x = 10,188,493,795.01
  5. Step 5: Solve for x
    x = 10,188,493,795.01/122,137.29
  6. Step 6: Final answer
    x = 83,418.37

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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.