Home / 159,092.10-219,545.12-87,471.50

Finding the Fourth Proportional to 159,092.10, 219,545.12 and 87,471.50

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Solution

The fourth proportional to 159,092.10, 219,545.12 and 87,471.50 is: 120,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,092.10 : 219,545.12 = 87,471.50 : x
  2. Step 2: Convert to fraction form
    159,092.10/219,545.12 = 87,471.50/x
  3. Step 3: Cross multiply
    159,092.10x = 219,545.12 × 87,471.50
  4. Step 4: Simplify right side
    159,092.10x = 19,203,940,964.08
  5. Step 5: Solve for x
    x = 19,203,940,964.08/159,092.10
  6. Step 6: Final answer
    x = 120,709.58

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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.