Home / 156,530.73-216,012.39-88,546.25

Finding the Fourth Proportional to 156,530.73, 216,012.39 and 88,546.25

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Solution

The fourth proportional to 156,530.73, 216,012.39 and 88,546.25 is: 122,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,530.73 : 216,012.39 = 88,546.25 : x
  2. Step 2: Convert to fraction form
    156,530.73/216,012.39 = 88,546.25/x
  3. Step 3: Cross multiply
    156,530.73x = 216,012.39 × 88,546.25
  4. Step 4: Simplify right side
    156,530.73x = 19,127,086,007.98
  5. Step 5: Solve for x
    x = 19,127,086,007.98/156,530.73
  6. Step 6: Final answer
    x = 122,193.81

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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.