Home / 120,432.98-166,197.52-65,985.38

Finding the Fourth Proportional to 120,432.98, 166,197.52 and 65,985.38

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Solution

The fourth proportional to 120,432.98, 166,197.52 and 65,985.38 is: 91,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,432.98 : 166,197.52 = 65,985.38 : x
  2. Step 2: Convert to fraction form
    120,432.98/166,197.52 = 65,985.38/x
  3. Step 3: Cross multiply
    120,432.98x = 166,197.52 × 65,985.38
  4. Step 4: Simplify right side
    120,432.98x = 10,966,606,512.26
  5. Step 5: Solve for x
    x = 10,966,606,512.26/120,432.98
  6. Step 6: Final answer
    x = 91,059.83

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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.