Home / 159,215.24-219,717.02-87,593.72

Finding the Fourth Proportional to 159,215.24, 219,717.02 and 87,593.72

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Solution

The fourth proportional to 159,215.24, 219,717.02 and 87,593.72 is: 120,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,215.24 : 219,717.02 = 87,593.72 : x
  2. Step 2: Convert to fraction form
    159,215.24/219,717.02 = 87,593.72/x
  3. Step 3: Cross multiply
    159,215.24x = 219,717.02 × 87,593.72
  4. Step 4: Simplify right side
    159,215.24x = 19,245,829,592.56
  5. Step 5: Solve for x
    x = 19,245,829,592.56/159,215.24
  6. Step 6: Final answer
    x = 120,879.32

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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.