Home / 142,239.44-196,313.39-84,881.72

Finding the Fourth Proportional to 142,239.44, 196,313.39 and 84,881.72

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Solution

The fourth proportional to 142,239.44, 196,313.39 and 84,881.72 is: 117,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,239.44 : 196,313.39 = 84,881.72 : x
  2. Step 2: Convert to fraction form
    142,239.44/196,313.39 = 84,881.72/x
  3. Step 3: Cross multiply
    142,239.44x = 196,313.39 × 84,881.72
  4. Step 4: Simplify right side
    142,239.44x = 16,663,418,586.91
  5. Step 5: Solve for x
    x = 16,663,418,586.91/142,239.44
  6. Step 6: Final answer
    x = 117,150.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.