Home / 159,091.53-219,546.33-87,476.40

Finding the Fourth Proportional to 159,091.53, 219,546.33 and 87,476.40

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Solution

The fourth proportional to 159,091.53, 219,546.33 and 87,476.40 is: 120,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,091.53 : 219,546.33 = 87,476.40 : x
  2. Step 2: Convert to fraction form
    159,091.53/219,546.33 = 87,476.40/x
  3. Step 3: Cross multiply
    159,091.53x = 219,546.33 × 87,476.40
  4. Step 4: Simplify right side
    159,091.53x = 19,205,122,581.61
  5. Step 5: Solve for x
    x = 19,205,122,581.61/159,091.53
  6. Step 6: Final answer
    x = 120,717.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.