Home / 250,230.23-345,317.89-135,509.77

Finding the Fourth Proportional to 250,230.23, 345,317.89 and 135,509.77

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Solution

The fourth proportional to 250,230.23, 345,317.89 and 135,509.77 is: 187,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,230.23 : 345,317.89 = 135,509.77 : x
  2. Step 2: Convert to fraction form
    250,230.23/345,317.89 = 135,509.77/x
  3. Step 3: Cross multiply
    250,230.23x = 345,317.89 × 135,509.77
  4. Step 4: Simplify right side
    250,230.23x = 46,793,947,850.79
  5. Step 5: Solve for x
    x = 46,793,947,850.79/250,230.23
  6. Step 6: Final answer
    x = 187,003.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.