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Finding the Fourth Proportional to 112,850.70, 162,714.96 and 112,850.70

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Solution

The fourth proportional to 112,850.70, 162,714.96 and 112,850.70 is: 162,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,850.70 : 162,714.96 = 112,850.70 : x
  2. Step 2: Convert to fraction form
    112,850.70/162,714.96 = 112,850.70/x
  3. Step 3: Cross multiply
    112,850.70x = 162,714.96 × 112,850.70
  4. Step 4: Simplify right side
    112,850.70x = 18,362,497,136.47
  5. Step 5: Solve for x
    x = 18,362,497,136.47/112,850.70
  6. Step 6: Final answer
    x = 162,714.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.