Home / 152,820.03-229,279.85-76,879.38

Finding the Fourth Proportional to 152,820.03, 229,279.85 and 76,879.38

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Solution

The fourth proportional to 152,820.03, 229,279.85 and 76,879.38 is: 115,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,820.03 : 229,279.85 = 76,879.38 : x
  2. Step 2: Convert to fraction form
    152,820.03/229,279.85 = 76,879.38/x
  3. Step 3: Cross multiply
    152,820.03x = 229,279.85 × 76,879.38
  4. Step 4: Simplify right side
    152,820.03x = 17,626,892,714.49
  5. Step 5: Solve for x
    x = 17,626,892,714.49/152,820.03
  6. Step 6: Final answer
    x = 115,344.13

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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.