Home / 120,725.64-166,593.78-67,007.52

Finding the Fourth Proportional to 120,725.64, 166,593.78 and 67,007.52

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Solution

The fourth proportional to 120,725.64, 166,593.78 and 67,007.52 is: 92,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,725.64 : 166,593.78 = 67,007.52 : x
  2. Step 2: Convert to fraction form
    120,725.64/166,593.78 = 67,007.52/x
  3. Step 3: Cross multiply
    120,725.64x = 166,593.78 × 67,007.52
  4. Step 4: Simplify right side
    120,725.64x = 11,163,036,045.23
  5. Step 5: Solve for x
    x = 11,163,036,045.23/120,725.64
  6. Step 6: Final answer
    x = 92,466.16

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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.