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Finding the Fourth Proportional to 159,224.67, 219,730.41 and 87,609.30

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Solution

The fourth proportional to 159,224.67, 219,730.41 and 87,609.30 is: 120,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,224.67 : 219,730.41 = 87,609.30 : x
  2. Step 2: Convert to fraction form
    159,224.67/219,730.41 = 87,609.30/x
  3. Step 3: Cross multiply
    159,224.67x = 219,730.41 × 87,609.30
  4. Step 4: Simplify right side
    159,224.67x = 19,250,427,408.81
  5. Step 5: Solve for x
    x = 19,250,427,408.81/159,224.67
  6. Step 6: Final answer
    x = 120,901.04

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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.