Home / 144,020.33-215,967.48-76,537.68

Finding the Fourth Proportional to 144,020.33, 215,967.48 and 76,537.68

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Solution

The fourth proportional to 144,020.33, 215,967.48 and 76,537.68 is: 114,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,020.33 : 215,967.48 = 76,537.68 : x
  2. Step 2: Convert to fraction form
    144,020.33/215,967.48 = 76,537.68/x
  3. Step 3: Cross multiply
    144,020.33x = 215,967.48 × 76,537.68
  4. Step 4: Simplify right side
    144,020.33x = 16,529,649,874.65
  5. Step 5: Solve for x
    x = 16,529,649,874.65/144,020.33
  6. Step 6: Final answer
    x = 114,773.03

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1.5x scale

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.