Home / 142,536.80-196,615.26-94,138.82

Finding the Fourth Proportional to 142,536.80, 196,615.26 and 94,138.82

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Solution

The fourth proportional to 142,536.80, 196,615.26 and 94,138.82 is: 129,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,536.80 : 196,615.26 = 94,138.82 : x
  2. Step 2: Convert to fraction form
    142,536.80/196,615.26 = 94,138.82/x
  3. Step 3: Cross multiply
    142,536.80x = 196,615.26 × 94,138.82
  4. Step 4: Simplify right side
    142,536.80x = 18,509,129,148.23
  5. Step 5: Solve for x
    x = 18,509,129,148.23/142,536.80
  6. Step 6: Final answer
    x = 129,855.09

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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.