Home / 131,742.72-197,646.48-38,249.28

Finding the Fourth Proportional to 131,742.72, 197,646.48 and 38,249.28

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Solution

The fourth proportional to 131,742.72, 197,646.48 and 38,249.28 is: 57,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,742.72 : 197,646.48 = 38,249.28 : x
  2. Step 2: Convert to fraction form
    131,742.72/197,646.48 = 38,249.28/x
  3. Step 3: Cross multiply
    131,742.72x = 197,646.48 × 38,249.28
  4. Step 4: Simplify right side
    131,742.72x = 7,559,835,554.53
  5. Step 5: Solve for x
    x = 7,559,835,554.53/131,742.72
  6. Step 6: Final answer
    x = 57,383.33

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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.