Home / 143,548.06-215,249.70-83,595.91

Finding the Fourth Proportional to 143,548.06, 215,249.70 and 83,595.91

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Solution

The fourth proportional to 143,548.06, 215,249.70 and 83,595.91 is: 125,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,548.06 : 215,249.70 = 83,595.91 : x
  2. Step 2: Convert to fraction form
    143,548.06/215,249.70 = 83,595.91/x
  3. Step 3: Cross multiply
    143,548.06x = 215,249.70 × 83,595.91
  4. Step 4: Simplify right side
    143,548.06x = 17,993,994,548.73
  5. Step 5: Solve for x
    x = 17,993,994,548.73/143,548.06
  6. Step 6: Final answer
    x = 125,351.71

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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.