Home / 122,672.07-169,415.96-84,530.79

Finding the Fourth Proportional to 122,672.07, 169,415.96 and 84,530.79

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Solution

The fourth proportional to 122,672.07, 169,415.96 and 84,530.79 is: 116,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,672.07 : 169,415.96 = 84,530.79 : x
  2. Step 2: Convert to fraction form
    122,672.07/169,415.96 = 84,530.79/x
  3. Step 3: Cross multiply
    122,672.07x = 169,415.96 × 84,530.79
  4. Step 4: Simplify right side
    122,672.07x = 14,320,864,514.75
  5. Step 5: Solve for x
    x = 14,320,864,514.75/122,672.07
  6. Step 6: Final answer
    x = 116,741.04

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1.5x scale

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.