Home / 156,918.54-216,552.30-88,935.64

Finding the Fourth Proportional to 156,918.54, 216,552.30 and 88,935.64

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Solution

The fourth proportional to 156,918.54, 216,552.30 and 88,935.64 is: 122,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.54 : 216,552.30 = 88,935.64 : x
  2. Step 2: Convert to fraction form
    156,918.54/216,552.30 = 88,935.64/x
  3. Step 3: Cross multiply
    156,918.54x = 216,552.30 × 88,935.64
  4. Step 4: Simplify right side
    156,918.54x = 19,259,217,393.97
  5. Step 5: Solve for x
    x = 19,259,217,393.97/156,918.54
  6. Step 6: Final answer
    x = 122,733.86

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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.