Home / 180,140.28-270,114.84-90,084.48

Finding the Fourth Proportional to 180,140.28, 270,114.84 and 90,084.48

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Solution

The fourth proportional to 180,140.28, 270,114.84 and 90,084.48 is: 135,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,140.28 : 270,114.84 = 90,084.48 : x
  2. Step 2: Convert to fraction form
    180,140.28/270,114.84 = 90,084.48/x
  3. Step 3: Cross multiply
    180,140.28x = 270,114.84 × 90,084.48
  4. Step 4: Simplify right side
    180,140.28x = 24,333,154,901.68
  5. Step 5: Solve for x
    x = 24,333,154,901.68/180,140.28
  6. Step 6: Final answer
    x = 135,078.92

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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.