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Finding the Fourth Proportional to 122,569.88, 183,684.72 and 55,846.94

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Solution

The fourth proportional to 122,569.88, 183,684.72 and 55,846.94 is: 83,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,569.88 : 183,684.72 = 55,846.94 : x
  2. Step 2: Convert to fraction form
    122,569.88/183,684.72 = 55,846.94/x
  3. Step 3: Cross multiply
    122,569.88x = 183,684.72 × 55,846.94
  4. Step 4: Simplify right side
    122,569.88x = 10,258,229,536.76
  5. Step 5: Solve for x
    x = 10,258,229,536.76/122,569.88
  6. Step 6: Final answer
    x = 83,692.91

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1.5x scale

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.