Home / 122,158.47-183,109.82-51,121.81

Finding the Fourth Proportional to 122,158.47, 183,109.82 and 51,121.81

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Solution

The fourth proportional to 122,158.47, 183,109.82 and 51,121.81 is: 76,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,158.47 : 183,109.82 = 51,121.81 : x
  2. Step 2: Convert to fraction form
    122,158.47/183,109.82 = 51,121.81/x
  3. Step 3: Cross multiply
    122,158.47x = 183,109.82 × 51,121.81
  4. Step 4: Simplify right side
    122,158.47x = 9,360,905,208.96
  5. Step 5: Solve for x
    x = 9,360,905,208.96/122,158.47
  6. Step 6: Final answer
    x = 76,629.19

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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.