Home / 270,832.21-373,716.65-156,109.53

Finding the Fourth Proportional to 270,832.21, 373,716.65 and 156,109.53

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Solution

The fourth proportional to 270,832.21, 373,716.65 and 156,109.53 is: 215,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,832.21 : 373,716.65 = 156,109.53 : x
  2. Step 2: Convert to fraction form
    270,832.21/373,716.65 = 156,109.53/x
  3. Step 3: Cross multiply
    270,832.21x = 373,716.65 × 156,109.53
  4. Step 4: Simplify right side
    270,832.21x = 58,340,731,498.27
  5. Step 5: Solve for x
    x = 58,340,731,498.27/270,832.21
  6. Step 6: Final answer
    x = 215,412.83

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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.