Home / 142,979.57-214,469.36-37,798.55

Finding the Fourth Proportional to 142,979.57, 214,469.36 and 37,798.55

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Solution

The fourth proportional to 142,979.57, 214,469.36 and 37,798.55 is: 56,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,979.57 : 214,469.36 = 37,798.55 : x
  2. Step 2: Convert to fraction form
    142,979.57/214,469.36 = 37,798.55/x
  3. Step 3: Cross multiply
    142,979.57x = 214,469.36 × 37,798.55
  4. Step 4: Simplify right side
    142,979.57x = 8,106,629,566.09
  5. Step 5: Solve for x
    x = 8,106,629,566.09/142,979.57
  6. Step 6: Final answer
    x = 56,697.82

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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.