Home / 121,005.58-166,963.23-70,694.86

Finding the Fourth Proportional to 121,005.58, 166,963.23 and 70,694.86

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Solution

The fourth proportional to 121,005.58, 166,963.23 and 70,694.86 is: 97,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,005.58 : 166,963.23 = 70,694.86 : x
  2. Step 2: Convert to fraction form
    121,005.58/166,963.23 = 70,694.86/x
  3. Step 3: Cross multiply
    121,005.58x = 166,963.23 × 70,694.86
  4. Step 4: Simplify right side
    121,005.58x = 11,803,442,170.00
  5. Step 5: Solve for x
    x = 11,803,442,170.00/121,005.58
  6. Step 6: Final answer
    x = 97,544.61

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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.