Home / 120,265.44-165,967.80-66,550.32

Finding the Fourth Proportional to 120,265.44, 165,967.80 and 66,550.32

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Solution

The fourth proportional to 120,265.44, 165,967.80 and 66,550.32 is: 91,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,265.44 : 165,967.80 = 66,550.32 : x
  2. Step 2: Convert to fraction form
    120,265.44/165,967.80 = 66,550.32/x
  3. Step 3: Cross multiply
    120,265.44x = 165,967.80 × 66,550.32
  4. Step 4: Simplify right side
    120,265.44x = 11,045,210,199.70
  5. Step 5: Solve for x
    x = 11,045,210,199.70/120,265.44
  6. Step 6: Final answer
    x = 91,840.27

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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.