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Finding the Fourth Proportional to 112,001.96, 168,069.09 and 40,918.28

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Solution

The fourth proportional to 112,001.96, 168,069.09 and 40,918.28 is: 61,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.96 : 168,069.09 = 40,918.28 : x
  2. Step 2: Convert to fraction form
    112,001.96/168,069.09 = 40,918.28/x
  3. Step 3: Cross multiply
    112,001.96x = 168,069.09 × 40,918.28
  4. Step 4: Simplify right side
    112,001.96x = 6,877,098,083.97
  5. Step 5: Solve for x
    x = 6,877,098,083.97/112,001.96
  6. Step 6: Final answer
    x = 61,401.59

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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.