Home / 178,363.94-267,311.19-99,515.30

Finding the Fourth Proportional to 178,363.94, 267,311.19 and 99,515.30

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Solution

The fourth proportional to 178,363.94, 267,311.19 and 99,515.30 is: 149,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,363.94 : 267,311.19 = 99,515.30 : x
  2. Step 2: Convert to fraction form
    178,363.94/267,311.19 = 99,515.30/x
  3. Step 3: Cross multiply
    178,363.94x = 267,311.19 × 99,515.30
  4. Step 4: Simplify right side
    178,363.94x = 26,601,553,266.21
  5. Step 5: Solve for x
    x = 26,601,553,266.21/178,363.94
  6. Step 6: Final answer
    x = 149,141.99

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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.