Home / 122,163.51-183,178.65-36,761.93

Finding the Fourth Proportional to 122,163.51, 183,178.65 and 36,761.93

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Solution

The fourth proportional to 122,163.51, 183,178.65 and 36,761.93 is: 55,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,163.51 : 183,178.65 = 36,761.93 : x
  2. Step 2: Convert to fraction form
    122,163.51/183,178.65 = 36,761.93/x
  3. Step 3: Cross multiply
    122,163.51x = 183,178.65 × 36,761.93
  4. Step 4: Simplify right side
    122,163.51x = 6,733,999,792.90
  5. Step 5: Solve for x
    x = 6,733,999,792.90/122,163.51
  6. Step 6: Final answer
    x = 55,122.84

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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.