Home / 121,514.10-166,475.23-116,969.59

Finding the Fourth Proportional to 121,514.10, 166,475.23 and 116,969.59

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Solution

The fourth proportional to 121,514.10, 166,475.23 and 116,969.59 is: 160,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,514.10 : 166,475.23 = 116,969.59 : x
  2. Step 2: Convert to fraction form
    121,514.10/166,475.23 = 116,969.59/x
  3. Step 3: Cross multiply
    121,514.10x = 166,475.23 × 116,969.59
  4. Step 4: Simplify right side
    121,514.10x = 19,472,539,398.26
  5. Step 5: Solve for x
    x = 19,472,539,398.26/121,514.10
  6. Step 6: Final answer
    x = 160,249.22

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1.5x scale

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.