Home / 142,512.36-196,636.42-85,922.52

Finding the Fourth Proportional to 142,512.36, 196,636.42 and 85,922.52

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Solution

The fourth proportional to 142,512.36, 196,636.42 and 85,922.52 is: 118,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,512.36 : 196,636.42 = 85,922.52 : x
  2. Step 2: Convert to fraction form
    142,512.36/196,636.42 = 85,922.52/x
  3. Step 3: Cross multiply
    142,512.36x = 196,636.42 × 85,922.52
  4. Step 4: Simplify right side
    142,512.36x = 16,895,496,730.18
  5. Step 5: Solve for x
    x = 16,895,496,730.18/142,512.36
  6. Step 6: Final answer
    x = 118,554.61

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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.