Home / 180,764.28-270,966.96-85,827.60

Finding the Fourth Proportional to 180,764.28, 270,966.96 and 85,827.60

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Solution

The fourth proportional to 180,764.28, 270,966.96 and 85,827.60 is: 128,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,764.28 : 270,966.96 = 85,827.60 : x
  2. Step 2: Convert to fraction form
    180,764.28/270,966.96 = 85,827.60/x
  3. Step 3: Cross multiply
    180,764.28x = 270,966.96 × 85,827.60
  4. Step 4: Simplify right side
    180,764.28x = 23,256,443,856.10
  5. Step 5: Solve for x
    x = 23,256,443,856.10/180,764.28
  6. Step 6: Final answer
    x = 128,656.19

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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.