Home / 170,858.40-256,314.24-82,095.36

Finding the Fourth Proportional to 170,858.40, 256,314.24 and 82,095.36

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Solution

The fourth proportional to 170,858.40, 256,314.24 and 82,095.36 is: 123,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,858.40 : 256,314.24 = 82,095.36 : x
  2. Step 2: Convert to fraction form
    170,858.40/256,314.24 = 82,095.36/x
  3. Step 3: Cross multiply
    170,858.40x = 256,314.24 × 82,095.36
  4. Step 4: Simplify right side
    170,858.40x = 21,042,209,805.93
  5. Step 5: Solve for x
    x = 21,042,209,805.93/170,858.40
  6. Step 6: Final answer
    x = 123,155.84

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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.