Home / 142,791.60-214,197.96-42,943.68

Finding the Fourth Proportional to 142,791.60, 214,197.96 and 42,943.68

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Solution

The fourth proportional to 142,791.60, 214,197.96 and 42,943.68 is: 64,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,791.60 : 214,197.96 = 42,943.68 : x
  2. Step 2: Convert to fraction form
    142,791.60/214,197.96 = 42,943.68/x
  3. Step 3: Cross multiply
    142,791.60x = 214,197.96 × 42,943.68
  4. Step 4: Simplify right side
    142,791.60x = 9,198,448,650.89
  5. Step 5: Solve for x
    x = 9,198,448,650.89/142,791.60
  6. Step 6: Final answer
    x = 64,418.70

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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.