Home / 121,513.10-166,473.86-116,968.59

Finding the Fourth Proportional to 121,513.10, 166,473.86 and 116,968.59

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Solution

The fourth proportional to 121,513.10, 166,473.86 and 116,968.59 is: 160,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,513.10 : 166,473.86 = 116,968.59 : x
  2. Step 2: Convert to fraction form
    121,513.10/166,473.86 = 116,968.59/x
  3. Step 3: Cross multiply
    121,513.10x = 166,473.86 × 116,968.59
  4. Step 4: Simplify right side
    121,513.10x = 19,472,212,091.21
  5. Step 5: Solve for x
    x = 19,472,212,091.21/121,513.10
  6. Step 6: Final answer
    x = 160,247.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.