Home / 120,189.18-180,313.28-41,304.54

Finding the Fourth Proportional to 120,189.18, 180,313.28 and 41,304.54

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Solution

The fourth proportional to 120,189.18, 180,313.28 and 41,304.54 is: 61,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,189.18 : 180,313.28 = 41,304.54 : x
  2. Step 2: Convert to fraction form
    120,189.18/180,313.28 = 41,304.54/x
  3. Step 3: Cross multiply
    120,189.18x = 180,313.28 × 41,304.54
  4. Step 4: Simplify right side
    120,189.18x = 7,447,757,086.29
  5. Step 5: Solve for x
    x = 7,447,757,086.29/120,189.18
  6. Step 6: Final answer
    x = 61,966.95

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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.