Home / 120,086.27-165,727.63-66,370.13

Finding the Fourth Proportional to 120,086.27, 165,727.63 and 66,370.13

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Solution

The fourth proportional to 120,086.27, 165,727.63 and 66,370.13 is: 91,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,086.27 : 165,727.63 = 66,370.13 : x
  2. Step 2: Convert to fraction form
    120,086.27/165,727.63 = 66,370.13/x
  3. Step 3: Cross multiply
    120,086.27x = 165,727.63 × 66,370.13
  4. Step 4: Simplify right side
    120,086.27x = 10,999,364,015.84
  5. Step 5: Solve for x
    x = 10,999,364,015.84/120,086.27
  6. Step 6: Final answer
    x = 91,595.52

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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.