Home / 68,161.23-102,258.45-23,788.35

Finding the Fourth Proportional to 68,161.23, 102,258.45 and 23,788.35

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Solution

The fourth proportional to 68,161.23, 102,258.45 and 23,788.35 is: 35,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,161.23 : 102,258.45 = 23,788.35 : x
  2. Step 2: Convert to fraction form
    68,161.23/102,258.45 = 23,788.35/x
  3. Step 3: Cross multiply
    68,161.23x = 102,258.45 × 23,788.35
  4. Step 4: Simplify right side
    68,161.23x = 2,432,559,799.06
  5. Step 5: Solve for x
    x = 2,432,559,799.06/68,161.23
  6. Step 6: Final answer
    x = 35,688.32

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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.