Home / 104,227.80-143,827.54-66,498

Finding the Fourth Proportional to 104,227.80, 143,827.54 and 66,498

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Solution

The fourth proportional to 104,227.80, 143,827.54 and 66,498 is: 91,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,227.80 : 143,827.54 = 66,498 : x
  2. Step 2: Convert to fraction form
    104,227.80/143,827.54 = 66,498/x
  3. Step 3: Cross multiply
    104,227.80x = 143,827.54 × 66,498
  4. Step 4: Simplify right side
    104,227.80x = 9,564,243,754.92
  5. Step 5: Solve for x
    x = 9,564,243,754.92/104,227.80
  6. Step 6: Final answer
    x = 91,762.89

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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.