Home / 143,383.45-215,064.37-57,999.73

Finding the Fourth Proportional to 143,383.45, 215,064.37 and 57,999.73

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Solution

The fourth proportional to 143,383.45, 215,064.37 and 57,999.73 is: 86,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,383.45 : 215,064.37 = 57,999.73 : x
  2. Step 2: Convert to fraction form
    143,383.45/215,064.37 = 57,999.73/x
  3. Step 3: Cross multiply
    143,383.45x = 215,064.37 × 57,999.73
  4. Step 4: Simplify right side
    143,383.45x = 12,473,675,392.62
  5. Step 5: Solve for x
    x = 12,473,675,392.62/143,383.45
  6. Step 6: Final answer
    x = 86,995.22

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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.