Home / 90,896.58-136,299.54-57,591.27

Finding the Fourth Proportional to 90,896.58, 136,299.54 and 57,591.27

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Solution

The fourth proportional to 90,896.58, 136,299.54 and 57,591.27 is: 86,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,896.58 : 136,299.54 = 57,591.27 : x
  2. Step 2: Convert to fraction form
    90,896.58/136,299.54 = 57,591.27/x
  3. Step 3: Cross multiply
    90,896.58x = 136,299.54 × 57,591.27
  4. Step 4: Simplify right side
    90,896.58x = 7,849,663,609.02
  5. Step 5: Solve for x
    x = 7,849,663,609.02/90,896.58
  6. Step 6: Final answer
    x = 86,358.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.