Home / 113,865.84-170,813.34-43,736.04

Finding the Fourth Proportional to 113,865.84, 170,813.34 and 43,736.04

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Solution

The fourth proportional to 113,865.84, 170,813.34 and 43,736.04 is: 65,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,865.84 : 170,813.34 = 43,736.04 : x
  2. Step 2: Convert to fraction form
    113,865.84/170,813.34 = 43,736.04/x
  3. Step 3: Cross multiply
    113,865.84x = 170,813.34 × 43,736.04
  4. Step 4: Simplify right side
    113,865.84x = 7,470,699,070.77
  5. Step 5: Solve for x
    x = 7,470,699,070.77/113,865.84
  6. Step 6: Final answer
    x = 65,609.66

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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.