Home / 289,787.56-434,644.38-112,173.04

Finding the Fourth Proportional to 289,787.56, 434,644.38 and 112,173.04

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Solution

The fourth proportional to 289,787.56, 434,644.38 and 112,173.04 is: 168,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,787.56 : 434,644.38 = 112,173.04 : x
  2. Step 2: Convert to fraction form
    289,787.56/434,644.38 = 112,173.04/x
  3. Step 3: Cross multiply
    289,787.56x = 434,644.38 × 112,173.04
  4. Step 4: Simplify right side
    289,787.56x = 48,755,381,423.52
  5. Step 5: Solve for x
    x = 48,755,381,423.52/289,787.56
  6. Step 6: Final answer
    x = 168,245.25

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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.