Home / 142,023.49-196,063.44-88,325.81

Finding the Fourth Proportional to 142,023.49, 196,063.44 and 88,325.81

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Solution

The fourth proportional to 142,023.49, 196,063.44 and 88,325.81 is: 121,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,023.49 : 196,063.44 = 88,325.81 : x
  2. Step 2: Convert to fraction form
    142,023.49/196,063.44 = 88,325.81/x
  3. Step 3: Cross multiply
    142,023.49x = 196,063.44 × 88,325.81
  4. Step 4: Simplify right side
    142,023.49x = 17,317,462,149.39
  5. Step 5: Solve for x
    x = 17,317,462,149.39/142,023.49
  6. Step 6: Final answer
    x = 121,933.79

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Why These Related Problems?

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