Home / 142,984.14-214,477.72-43,145.21

Finding the Fourth Proportional to 142,984.14, 214,477.72 and 43,145.21

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Solution

The fourth proportional to 142,984.14, 214,477.72 and 43,145.21 is: 64,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,984.14 : 214,477.72 = 43,145.21 : x
  2. Step 2: Convert to fraction form
    142,984.14/214,477.72 = 43,145.21/x
  3. Step 3: Cross multiply
    142,984.14x = 214,477.72 × 43,145.21
  4. Step 4: Simplify right side
    142,984.14x = 9,253,685,734.31
  5. Step 5: Solve for x
    x = 9,253,685,734.31/142,984.14
  6. Step 6: Final answer
    x = 64,718.27

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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.