Home / 230,268.77-345,112.90-123,387.65

Finding the Fourth Proportional to 230,268.77, 345,112.90 and 123,387.65

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Solution

The fourth proportional to 230,268.77, 345,112.90 and 123,387.65 is: 184,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,268.77 : 345,112.90 = 123,387.65 : x
  2. Step 2: Convert to fraction form
    230,268.77/345,112.90 = 123,387.65/x
  3. Step 3: Cross multiply
    230,268.77x = 345,112.90 × 123,387.65
  4. Step 4: Simplify right side
    230,268.77x = 42,582,667,681.65
  5. Step 5: Solve for x
    x = 42,582,667,681.65/230,268.77
  6. Step 6: Final answer
    x = 184,925.94

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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.