Home / 230,090.16-345,235.77-80,437.89

Finding the Fourth Proportional to 230,090.16, 345,235.77 and 80,437.89

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Solution

The fourth proportional to 230,090.16, 345,235.77 and 80,437.89 is: 120,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,090.16 : 345,235.77 = 80,437.89 : x
  2. Step 2: Convert to fraction form
    230,090.16/345,235.77 = 80,437.89/x
  3. Step 3: Cross multiply
    230,090.16x = 345,235.77 × 80,437.89
  4. Step 4: Simplify right side
    230,090.16x = 27,770,036,891.33
  5. Step 5: Solve for x
    x = 27,770,036,891.33/230,090.16
  6. Step 6: Final answer
    x = 120,691.98

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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.