Home / 180,212.31-270,151.20-85,486.93

Finding the Fourth Proportional to 180,212.31, 270,151.20 and 85,486.93

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Solution

The fourth proportional to 180,212.31, 270,151.20 and 85,486.93 is: 128,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,212.31 : 270,151.20 = 85,486.93 : x
  2. Step 2: Convert to fraction form
    180,212.31/270,151.20 = 85,486.93/x
  3. Step 3: Cross multiply
    180,212.31x = 270,151.20 × 85,486.93
  4. Step 4: Simplify right side
    180,212.31x = 23,094,396,048.44
  5. Step 5: Solve for x
    x = 23,094,396,048.44/180,212.31
  6. Step 6: Final answer
    x = 128,151.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.