Home / 104,153.76-143,734.56-61,145.46

Finding the Fourth Proportional to 104,153.76, 143,734.56 and 61,145.46

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Solution

The fourth proportional to 104,153.76, 143,734.56 and 61,145.46 is: 84,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,153.76 : 143,734.56 = 61,145.46 : x
  2. Step 2: Convert to fraction form
    104,153.76/143,734.56 = 61,145.46/x
  3. Step 3: Cross multiply
    104,153.76x = 143,734.56 × 61,145.46
  4. Step 4: Simplify right side
    104,153.76x = 8,788,715,789.10
  5. Step 5: Solve for x
    x = 8,788,715,789.10/104,153.76
  6. Step 6: Final answer
    x = 84,382.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.