Home / 159,065.29-219,511.58-87,445.83

Finding the Fourth Proportional to 159,065.29, 219,511.58 and 87,445.83

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Solution

The fourth proportional to 159,065.29, 219,511.58 and 87,445.83 is: 120,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,065.29 : 219,511.58 = 87,445.83 : x
  2. Step 2: Convert to fraction form
    159,065.29/219,511.58 = 87,445.83/x
  3. Step 3: Cross multiply
    159,065.29x = 219,511.58 × 87,445.83
  4. Step 4: Simplify right side
    159,065.29x = 19,195,372,073.75
  5. Step 5: Solve for x
    x = 19,195,372,073.75/159,065.29
  6. Step 6: Final answer
    x = 120,676.05

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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.