Home / 122,467.28-169,023.29-74,748.35

Finding the Fourth Proportional to 122,467.28, 169,023.29 and 74,748.35

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Solution

The fourth proportional to 122,467.28, 169,023.29 and 74,748.35 is: 103,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,467.28 : 169,023.29 = 74,748.35 : x
  2. Step 2: Convert to fraction form
    122,467.28/169,023.29 = 74,748.35/x
  3. Step 3: Cross multiply
    122,467.28x = 169,023.29 × 74,748.35
  4. Step 4: Simplify right side
    122,467.28x = 12,634,212,087.89
  5. Step 5: Solve for x
    x = 12,634,212,087.89/122,467.28
  6. Step 6: Final answer
    x = 103,163.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.