Home / 159,191.82-219,685.23-87,577.29

Finding the Fourth Proportional to 159,191.82, 219,685.23 and 87,577.29

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Solution

The fourth proportional to 159,191.82, 219,685.23 and 87,577.29 is: 120,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,191.82 : 219,685.23 = 87,577.29 : x
  2. Step 2: Convert to fraction form
    159,191.82/219,685.23 = 87,577.29/x
  3. Step 3: Cross multiply
    159,191.82x = 219,685.23 × 87,577.29
  4. Step 4: Simplify right side
    159,191.82x = 19,239,437,096.43
  5. Step 5: Solve for x
    x = 19,239,437,096.43/159,191.82
  6. Step 6: Final answer
    x = 120,856.95

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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.