Home / 165,640.05-248,486.21-70,870.85

Finding the Fourth Proportional to 165,640.05, 248,486.21 and 70,870.85

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Solution

The fourth proportional to 165,640.05, 248,486.21 and 70,870.85 is: 106,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,640.05 : 248,486.21 = 70,870.85 : x
  2. Step 2: Convert to fraction form
    165,640.05/248,486.21 = 70,870.85/x
  3. Step 3: Cross multiply
    165,640.05x = 248,486.21 × 70,870.85
  4. Step 4: Simplify right side
    165,640.05x = 17,610,428,915.98
  5. Step 5: Solve for x
    x = 17,610,428,915.98/165,640.05
  6. Step 6: Final answer
    x = 106,317.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.