Home / 104,165.82-143,740.17-61,140.66

Finding the Fourth Proportional to 104,165.82, 143,740.17 and 61,140.66

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Solution

The fourth proportional to 104,165.82, 143,740.17 and 61,140.66 is: 84,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,165.82 : 143,740.17 = 61,140.66 : x
  2. Step 2: Convert to fraction form
    104,165.82/143,740.17 = 61,140.66/x
  3. Step 3: Cross multiply
    104,165.82x = 143,740.17 × 61,140.66
  4. Step 4: Simplify right side
    104,165.82x = 8,788,368,862.31
  5. Step 5: Solve for x
    x = 8,788,368,862.31/104,165.82
  6. Step 6: Final answer
    x = 84,369.03

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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.