Home / 159,052.10-219,492.05-87,436.85

Finding the Fourth Proportional to 159,052.10, 219,492.05 and 87,436.85

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Solution

The fourth proportional to 159,052.10, 219,492.05 and 87,436.85 is: 120,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,052.10 : 219,492.05 = 87,436.85 : x
  2. Step 2: Convert to fraction form
    159,052.10/219,492.05 = 87,436.85/x
  3. Step 3: Cross multiply
    159,052.10x = 219,492.05 × 87,436.85
  4. Step 4: Simplify right side
    159,052.10x = 19,191,691,917.40
  5. Step 5: Solve for x
    x = 19,191,691,917.40/159,052.10
  6. Step 6: Final answer
    x = 120,662.93

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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.