Home / 104,866.81-144,715.98-57,120.04

Finding the Fourth Proportional to 104,866.81, 144,715.98 and 57,120.04

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Solution

The fourth proportional to 104,866.81, 144,715.98 and 57,120.04 is: 78,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,866.81 : 144,715.98 = 57,120.04 : x
  2. Step 2: Convert to fraction form
    104,866.81/144,715.98 = 57,120.04/x
  3. Step 3: Cross multiply
    104,866.81x = 144,715.98 × 57,120.04
  4. Step 4: Simplify right side
    104,866.81x = 8,266,182,566.24
  5. Step 5: Solve for x
    x = 8,266,182,566.24/104,866.81
  6. Step 6: Final answer
    x = 78,825.54

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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.