Home / 439,619.31-659,421.77-140,095.89

Finding the Fourth Proportional to 439,619.31, 659,421.77 and 140,095.89

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Solution

The fourth proportional to 439,619.31, 659,421.77 and 140,095.89 is: 210,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,619.31 : 659,421.77 = 140,095.89 : x
  2. Step 2: Convert to fraction form
    439,619.31/659,421.77 = 140,095.89/x
  3. Step 3: Cross multiply
    439,619.31x = 659,421.77 × 140,095.89
  4. Step 4: Simplify right side
    439,619.31x = 92,382,279,053.05
  5. Step 5: Solve for x
    x = 92,382,279,053.05/439,619.31
  6. Step 6: Final answer
    x = 210,141.54

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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.