Home / 156,825.09-216,429.29-88,842.60

Finding the Fourth Proportional to 156,825.09, 216,429.29 and 88,842.60

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Solution

The fourth proportional to 156,825.09, 216,429.29 and 88,842.60 is: 122,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,825.09 : 216,429.29 = 88,842.60 : x
  2. Step 2: Convert to fraction form
    156,825.09/216,429.29 = 88,842.60/x
  3. Step 3: Cross multiply
    156,825.09x = 216,429.29 × 88,842.60
  4. Step 4: Simplify right side
    156,825.09x = 19,228,140,369.86
  5. Step 5: Solve for x
    x = 19,228,140,369.86/156,825.09
  6. Step 6: Final answer
    x = 122,608.83

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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.