Home / 104,366.43-143,936.75-80,225.82

Finding the Fourth Proportional to 104,366.43, 143,936.75 and 80,225.82

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Solution

The fourth proportional to 104,366.43, 143,936.75 and 80,225.82 is: 110,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,366.43 : 143,936.75 = 80,225.82 : x
  2. Step 2: Convert to fraction form
    104,366.43/143,936.75 = 80,225.82/x
  3. Step 3: Cross multiply
    104,366.43x = 143,936.75 × 80,225.82
  4. Step 4: Simplify right side
    104,366.43x = 11,547,443,796.89
  5. Step 5: Solve for x
    x = 11,547,443,796.89/104,366.43
  6. Step 6: Final answer
    x = 110,643.28

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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.