Home / 104,063.30-143,606.82-56,316.66

Finding the Fourth Proportional to 104,063.30, 143,606.82 and 56,316.66

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Solution

The fourth proportional to 104,063.30, 143,606.82 and 56,316.66 is: 77,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.30 : 143,606.82 = 56,316.66 : x
  2. Step 2: Convert to fraction form
    104,063.30/143,606.82 = 56,316.66/x
  3. Step 3: Cross multiply
    104,063.30x = 143,606.82 × 56,316.66
  4. Step 4: Simplify right side
    104,063.30x = 8,087,456,455.62
  5. Step 5: Solve for x
    x = 8,087,456,455.62/104,063.30
  6. Step 6: Final answer
    x = 77,716.70

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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.