Home / 112,599.72-168,899.61-28,360.58

Finding the Fourth Proportional to 112,599.72, 168,899.61 and 28,360.58

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Solution

The fourth proportional to 112,599.72, 168,899.61 and 28,360.58 is: 42,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,599.72 : 168,899.61 = 28,360.58 : x
  2. Step 2: Convert to fraction form
    112,599.72/168,899.61 = 28,360.58/x
  3. Step 3: Cross multiply
    112,599.72x = 168,899.61 × 28,360.58
  4. Step 4: Simplify right side
    112,599.72x = 4,790,090,056.88
  5. Step 5: Solve for x
    x = 4,790,090,056.88/112,599.72
  6. Step 6: Final answer
    x = 42,540.87

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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.