Home / 143,464.77-215,590.82-135,312.73

Finding the Fourth Proportional to 143,464.77, 215,590.82 and 135,312.73

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Solution

The fourth proportional to 143,464.77, 215,590.82 and 135,312.73 is: 203,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,464.77 : 215,590.82 = 135,312.73 : x
  2. Step 2: Convert to fraction form
    143,464.77/215,590.82 = 135,312.73/x
  3. Step 3: Cross multiply
    143,464.77x = 215,590.82 × 135,312.73
  4. Step 4: Simplify right side
    143,464.77x = 29,172,181,201.60
  5. Step 5: Solve for x
    x = 29,172,181,201.60/143,464.77
  6. Step 6: Final answer
    x = 203,340.38

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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.