Home / 242,579.70-363,869.55-142,787.70

Finding the Fourth Proportional to 242,579.70, 363,869.55 and 142,787.70

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Solution

The fourth proportional to 242,579.70, 363,869.55 and 142,787.70 is: 214,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,579.70 : 363,869.55 = 142,787.70 : x
  2. Step 2: Convert to fraction form
    242,579.70/363,869.55 = 142,787.70/x
  3. Step 3: Cross multiply
    242,579.70x = 363,869.55 × 142,787.70
  4. Step 4: Simplify right side
    242,579.70x = 51,956,096,144.54
  5. Step 5: Solve for x
    x = 51,956,096,144.54/242,579.70
  6. Step 6: Final answer
    x = 214,181.55

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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.