Home / 155,577.90-233,379.12-76,649.04

Finding the Fourth Proportional to 155,577.90, 233,379.12 and 76,649.04

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Solution

The fourth proportional to 155,577.90, 233,379.12 and 76,649.04 is: 114,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,577.90 : 233,379.12 = 76,649.04 : x
  2. Step 2: Convert to fraction form
    155,577.90/233,379.12 = 76,649.04/x
  3. Step 3: Cross multiply
    155,577.90x = 233,379.12 × 76,649.04
  4. Step 4: Simplify right side
    155,577.90x = 17,888,285,504.04
  5. Step 5: Solve for x
    x = 17,888,285,504.04/155,577.90
  6. Step 6: Final answer
    x = 114,979.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.