Home / 142,782.47-214,174.17-36,166.38

Finding the Fourth Proportional to 142,782.47, 214,174.17 and 36,166.38

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Solution

The fourth proportional to 142,782.47, 214,174.17 and 36,166.38 is: 54,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,782.47 : 214,174.17 = 36,166.38 : x
  2. Step 2: Convert to fraction form
    142,782.47/214,174.17 = 36,166.38/x
  3. Step 3: Cross multiply
    142,782.47x = 214,174.17 × 36,166.38
  4. Step 4: Simplify right side
    142,782.47x = 7,745,904,237.57
  5. Step 5: Solve for x
    x = 7,745,904,237.57/142,782.47
  6. Step 6: Final answer
    x = 54,249.69

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1.5x scale

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.