Home / 112,104.09-168,153.99-45,498.39

Finding the Fourth Proportional to 112,104.09, 168,153.99 and 45,498.39

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Solution

The fourth proportional to 112,104.09, 168,153.99 and 45,498.39 is: 68,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.09 : 168,153.99 = 45,498.39 : x
  2. Step 2: Convert to fraction form
    112,104.09/168,153.99 = 45,498.39/x
  3. Step 3: Cross multiply
    112,104.09x = 168,153.99 × 45,498.39
  4. Step 4: Simplify right side
    112,104.09x = 7,650,735,817.08
  5. Step 5: Solve for x
    x = 7,650,735,817.08/112,104.09
  6. Step 6: Final answer
    x = 68,246.71

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1.5x scale

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.