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Finding the Fourth Proportional to 112,012.92, 168,013.80 and 41,887.08

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Solution

The fourth proportional to 112,012.92, 168,013.80 and 41,887.08 is: 62,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,012.92 : 168,013.80 = 41,887.08 : x
  2. Step 2: Convert to fraction form
    112,012.92/168,013.80 = 41,887.08/x
  3. Step 3: Cross multiply
    112,012.92x = 168,013.80 × 41,887.08
  4. Step 4: Simplify right side
    112,012.92x = 7,037,607,481.70
  5. Step 5: Solve for x
    x = 7,037,607,481.70/112,012.92
  6. Step 6: Final answer
    x = 62,828.53

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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.