Home / 204,475.81-282,125.40-122,817.79

Finding the Fourth Proportional to 204,475.81, 282,125.40 and 122,817.79

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Solution

The fourth proportional to 204,475.81, 282,125.40 and 122,817.79 is: 169,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,475.81 : 282,125.40 = 122,817.79 : x
  2. Step 2: Convert to fraction form
    204,475.81/282,125.40 = 122,817.79/x
  3. Step 3: Cross multiply
    204,475.81x = 282,125.40 × 122,817.79
  4. Step 4: Simplify right side
    204,475.81x = 34,650,017,472.28
  5. Step 5: Solve for x
    x = 34,650,017,472.28/204,475.81
  6. Step 6: Final answer
    x = 169,457.78

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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.