Home / 230,068.18-345,120.73-80,305.16

Finding the Fourth Proportional to 230,068.18, 345,120.73 and 80,305.16

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Solution

The fourth proportional to 230,068.18, 345,120.73 and 80,305.16 is: 120,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,068.18 : 345,120.73 = 80,305.16 : x
  2. Step 2: Convert to fraction form
    230,068.18/345,120.73 = 80,305.16/x
  3. Step 3: Cross multiply
    230,068.18x = 345,120.73 × 80,305.16
  4. Step 4: Simplify right side
    230,068.18x = 27,714,974,162.70
  5. Step 5: Solve for x
    x = 27,714,974,162.70/230,068.18
  6. Step 6: Final answer
    x = 120,464.18

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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.