Home / 142,847.28-214,285.12-52,914.04

Finding the Fourth Proportional to 142,847.28, 214,285.12 and 52,914.04

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Solution

The fourth proportional to 142,847.28, 214,285.12 and 52,914.04 is: 79,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,847.28 : 214,285.12 = 52,914.04 : x
  2. Step 2: Convert to fraction form
    142,847.28/214,285.12 = 52,914.04/x
  3. Step 3: Cross multiply
    142,847.28x = 214,285.12 × 52,914.04
  4. Step 4: Simplify right side
    142,847.28x = 11,338,691,411.08
  5. Step 5: Solve for x
    x = 11,338,691,411.08/142,847.28
  6. Step 6: Final answer
    x = 79,376.32

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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.