Home / 180,328.89-270,517.95-75,123.25

Finding the Fourth Proportional to 180,328.89, 270,517.95 and 75,123.25

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Solution

The fourth proportional to 180,328.89, 270,517.95 and 75,123.25 is: 112,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,328.89 : 270,517.95 = 75,123.25 : x
  2. Step 2: Convert to fraction form
    180,328.89/270,517.95 = 75,123.25/x
  3. Step 3: Cross multiply
    180,328.89x = 270,517.95 × 75,123.25
  4. Step 4: Simplify right side
    180,328.89x = 20,322,187,587.34
  5. Step 5: Solve for x
    x = 20,322,187,587.34/180,328.89
  6. Step 6: Final answer
    x = 112,695.13

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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.