Home / 85,299.08-127,948.62-82,966.28

Finding the Fourth Proportional to 85,299.08, 127,948.62 and 82,966.28

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Solution

The fourth proportional to 85,299.08, 127,948.62 and 82,966.28 is: 124,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.08 : 127,948.62 = 82,966.28 : x
  2. Step 2: Convert to fraction form
    85,299.08/127,948.62 = 82,966.28/x
  3. Step 3: Cross multiply
    85,299.08x = 127,948.62 × 82,966.28
  4. Step 4: Simplify right side
    85,299.08x = 10,615,421,032.53
  5. Step 5: Solve for x
    x = 10,615,421,032.53/85,299.08
  6. Step 6: Final answer
    x = 124,449.42

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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.