Home / 120,116.26-165,776.97-69,127.98

Finding the Fourth Proportional to 120,116.26, 165,776.97 and 69,127.98

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Solution

The fourth proportional to 120,116.26, 165,776.97 and 69,127.98 is: 95,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,116.26 : 165,776.97 = 69,127.98 : x
  2. Step 2: Convert to fraction form
    120,116.26/165,776.97 = 69,127.98/x
  3. Step 3: Cross multiply
    120,116.26x = 165,776.97 × 69,127.98
  4. Step 4: Simplify right side
    120,116.26x = 11,459,827,066.62
  5. Step 5: Solve for x
    x = 11,459,827,066.62/120,116.26
  6. Step 6: Final answer
    x = 95,406.13

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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.