Home / 180,799.28-270,845.88-85,894.40

Finding the Fourth Proportional to 180,799.28, 270,845.88 and 85,894.40

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Solution

The fourth proportional to 180,799.28, 270,845.88 and 85,894.40 is: 128,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,799.28 : 270,845.88 = 85,894.40 : x
  2. Step 2: Convert to fraction form
    180,799.28/270,845.88 = 85,894.40/x
  3. Step 3: Cross multiply
    180,799.28x = 270,845.88 × 85,894.40
  4. Step 4: Simplify right side
    180,799.28x = 23,264,144,355.07
  5. Step 5: Solve for x
    x = 23,264,144,355.07/180,799.28
  6. Step 6: Final answer
    x = 128,673.88

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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.