Home / 120,060.34-165,674.91-66,344.38

Finding the Fourth Proportional to 120,060.34, 165,674.91 and 66,344.38

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Solution

The fourth proportional to 120,060.34, 165,674.91 and 66,344.38 is: 91,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,060.34 : 165,674.91 = 66,344.38 : x
  2. Step 2: Convert to fraction form
    120,060.34/165,674.91 = 66,344.38/x
  3. Step 3: Cross multiply
    120,060.34x = 165,674.91 × 66,344.38
  4. Step 4: Simplify right side
    120,060.34x = 10,991,599,185.51
  5. Step 5: Solve for x
    x = 10,991,599,185.51/120,060.34
  6. Step 6: Final answer
    x = 91,550.63

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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.