Home / 159,382.44-219,939.06-87,748.86

Finding the Fourth Proportional to 159,382.44, 219,939.06 and 87,748.86

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Solution

The fourth proportional to 159,382.44, 219,939.06 and 87,748.86 is: 121,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,382.44 : 219,939.06 = 87,748.86 : x
  2. Step 2: Convert to fraction form
    159,382.44/219,939.06 = 87,748.86/x
  3. Step 3: Cross multiply
    159,382.44x = 219,939.06 × 87,748.86
  4. Step 4: Simplify right side
    159,382.44x = 19,299,401,784.47
  5. Step 5: Solve for x
    x = 19,299,401,784.47/159,382.44
  6. Step 6: Final answer
    x = 121,088.63

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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.