Home / 180,327.89-270,516.45-75,122.25

Finding the Fourth Proportional to 180,327.89, 270,516.45 and 75,122.25

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Solution

The fourth proportional to 180,327.89, 270,516.45 and 75,122.25 is: 112,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,327.89 : 270,516.45 = 75,122.25 : x
  2. Step 2: Convert to fraction form
    180,327.89/270,516.45 = 75,122.25/x
  3. Step 3: Cross multiply
    180,327.89x = 270,516.45 × 75,122.25
  4. Step 4: Simplify right side
    180,327.89x = 20,321,804,386.01
  5. Step 5: Solve for x
    x = 20,321,804,386.01/180,327.89
  6. Step 6: Final answer
    x = 112,693.63

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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.