Home / 106,514.09-159,780.03-30,612.89

Finding the Fourth Proportional to 106,514.09, 159,780.03 and 30,612.89

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Solution

The fourth proportional to 106,514.09, 159,780.03 and 30,612.89 is: 45,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514.09 : 159,780.03 = 30,612.89 : x
  2. Step 2: Convert to fraction form
    106,514.09/159,780.03 = 30,612.89/x
  3. Step 3: Cross multiply
    106,514.09x = 159,780.03 × 30,612.89
  4. Step 4: Simplify right side
    106,514.09x = 4,891,328,767.24
  5. Step 5: Solve for x
    x = 4,891,328,767.24/106,514.09
  6. Step 6: Final answer
    x = 45,921.89

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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.