Home / 178,889.28-246,881.92-115,359.36

Finding the Fourth Proportional to 178,889.28, 246,881.92 and 115,359.36

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Solution

The fourth proportional to 178,889.28, 246,881.92 and 115,359.36 is: 159,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,889.28 : 246,881.92 = 115,359.36 : x
  2. Step 2: Convert to fraction form
    178,889.28/246,881.92 = 115,359.36/x
  3. Step 3: Cross multiply
    178,889.28x = 246,881.92 × 115,359.36
  4. Step 4: Simplify right side
    178,889.28x = 28,480,140,286.77
  5. Step 5: Solve for x
    x = 28,480,140,286.77/178,889.28
  6. Step 6: Final answer
    x = 159,205.41

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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.