Home / 113,346.68-169,947.12-54,181.04

Finding the Fourth Proportional to 113,346.68, 169,947.12 and 54,181.04

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Solution

The fourth proportional to 113,346.68, 169,947.12 and 54,181.04 is: 81,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.68 : 169,947.12 = 54,181.04 : x
  2. Step 2: Convert to fraction form
    113,346.68/169,947.12 = 54,181.04/x
  3. Step 3: Cross multiply
    113,346.68x = 169,947.12 × 54,181.04
  4. Step 4: Simplify right side
    113,346.68x = 9,207,911,706.60
  5. Step 5: Solve for x
    x = 9,207,911,706.60/113,346.68
  6. Step 6: Final answer
    x = 81,236.71

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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.