Home / 115,893.28-159,919.50-64,898.92

Finding the Fourth Proportional to 115,893.28, 159,919.50 and 64,898.92

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Solution

The fourth proportional to 115,893.28, 159,919.50 and 64,898.92 is: 89,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893.28 : 159,919.50 = 64,898.92 : x
  2. Step 2: Convert to fraction form
    115,893.28/159,919.50 = 64,898.92/x
  3. Step 3: Cross multiply
    115,893.28x = 159,919.50 × 64,898.92
  4. Step 4: Simplify right side
    115,893.28x = 10,378,602,836.94
  5. Step 5: Solve for x
    x = 10,378,602,836.94/115,893.28
  6. Step 6: Final answer
    x = 89,553.10

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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.