Home / 178,579.84-267,869.76-84,801.28

Finding the Fourth Proportional to 178,579.84, 267,869.76 and 84,801.28

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Solution

The fourth proportional to 178,579.84, 267,869.76 and 84,801.28 is: 127,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,579.84 : 267,869.76 = 84,801.28 : x
  2. Step 2: Convert to fraction form
    178,579.84/267,869.76 = 84,801.28/x
  3. Step 3: Cross multiply
    178,579.84x = 267,869.76 × 84,801.28
  4. Step 4: Simplify right side
    178,579.84x = 22,715,698,521.29
  5. Step 5: Solve for x
    x = 22,715,698,521.29/178,579.84
  6. Step 6: Final answer
    x = 127,201.92

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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.