Home / 122,902.22-169,598.60-69,185.45

Finding the Fourth Proportional to 122,902.22, 169,598.60 and 69,185.45

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Solution

The fourth proportional to 122,902.22, 169,598.60 and 69,185.45 is: 95,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,902.22 : 169,598.60 = 69,185.45 : x
  2. Step 2: Convert to fraction form
    122,902.22/169,598.60 = 69,185.45/x
  3. Step 3: Cross multiply
    122,902.22x = 169,598.60 × 69,185.45
  4. Step 4: Simplify right side
    122,902.22x = 11,733,754,266.45
  5. Step 5: Solve for x
    x = 11,733,754,266.45/122,902.22
  6. Step 6: Final answer
    x = 95,472.28

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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.