Home / 115,824.60-159,817.38-68,087.64

Finding the Fourth Proportional to 115,824.60, 159,817.38 and 68,087.64

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Solution

The fourth proportional to 115,824.60, 159,817.38 and 68,087.64 is: 93,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,824.60 : 159,817.38 = 68,087.64 : x
  2. Step 2: Convert to fraction form
    115,824.60/159,817.38 = 68,087.64/x
  3. Step 3: Cross multiply
    115,824.60x = 159,817.38 × 68,087.64
  4. Step 4: Simplify right side
    115,824.60x = 10,881,588,235.18
  5. Step 5: Solve for x
    x = 10,881,588,235.18/115,824.60
  6. Step 6: Final answer
    x = 93,948.85

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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.