Home / 143,504.44-215,239.84-38,331.61

Finding the Fourth Proportional to 143,504.44, 215,239.84 and 38,331.61

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Solution

The fourth proportional to 143,504.44, 215,239.84 and 38,331.61 is: 57,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,504.44 : 215,239.84 = 38,331.61 : x
  2. Step 2: Convert to fraction form
    143,504.44/215,239.84 = 38,331.61/x
  3. Step 3: Cross multiply
    143,504.44x = 215,239.84 × 38,331.61
  4. Step 4: Simplify right side
    143,504.44x = 8,250,489,603.34
  5. Step 5: Solve for x
    x = 8,250,489,603.34/143,504.44
  6. Step 6: Final answer
    x = 57,492.92

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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.