Home / 276,742.08-415,171.44-89,739

Finding the Fourth Proportional to 276,742.08, 415,171.44 and 89,739

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Solution

The fourth proportional to 276,742.08, 415,171.44 and 89,739 is: 134,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,742.08 : 415,171.44 = 89,739 : x
  2. Step 2: Convert to fraction form
    276,742.08/415,171.44 = 89,739/x
  3. Step 3: Cross multiply
    276,742.08x = 415,171.44 × 89,739
  4. Step 4: Simplify right side
    276,742.08x = 37,257,069,854.16
  5. Step 5: Solve for x
    x = 37,257,069,854.16/276,742.08
  6. Step 6: Final answer
    x = 134,627.41

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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.