Home / 171,036.30-256,554.45-82,298.78

Finding the Fourth Proportional to 171,036.30, 256,554.45 and 82,298.78

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Solution

The fourth proportional to 171,036.30, 256,554.45 and 82,298.78 is: 123,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,036.30 : 256,554.45 = 82,298.78 : x
  2. Step 2: Convert to fraction form
    171,036.30/256,554.45 = 82,298.78/x
  3. Step 3: Cross multiply
    171,036.30x = 256,554.45 × 82,298.78
  4. Step 4: Simplify right side
    171,036.30x = 21,114,116,955.80
  5. Step 5: Solve for x
    x = 21,114,116,955.80/171,036.30
  6. Step 6: Final answer
    x = 123,448.16

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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.