Home / 159,064.23-219,512.83-87,446.06

Finding the Fourth Proportional to 159,064.23, 219,512.83 and 87,446.06

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Solution

The fourth proportional to 159,064.23, 219,512.83 and 87,446.06 is: 120,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,064.23 : 219,512.83 = 87,446.06 : x
  2. Step 2: Convert to fraction form
    159,064.23/219,512.83 = 87,446.06/x
  3. Step 3: Cross multiply
    159,064.23x = 219,512.83 × 87,446.06
  4. Step 4: Simplify right side
    159,064.23x = 19,195,532,102.95
  5. Step 5: Solve for x
    x = 19,195,532,102.95/159,064.23
  6. Step 6: Final answer
    x = 120,677.87

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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.