Home / 112,446.57-168,669.87-45,918.03

Finding the Fourth Proportional to 112,446.57, 168,669.87 and 45,918.03

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Solution

The fourth proportional to 112,446.57, 168,669.87 and 45,918.03 is: 68,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,446.57 : 168,669.87 = 45,918.03 : x
  2. Step 2: Convert to fraction form
    112,446.57/168,669.87 = 45,918.03/x
  3. Step 3: Cross multiply
    112,446.57x = 168,669.87 × 45,918.03
  4. Step 4: Simplify right side
    112,446.57x = 7,744,988,150.76
  5. Step 5: Solve for x
    x = 7,744,988,150.76/112,446.57
  6. Step 6: Final answer
    x = 68,877.05

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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.