Home / 142,954.07-214,349.06-54,150.93

Finding the Fourth Proportional to 142,954.07, 214,349.06 and 54,150.93

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Solution

The fourth proportional to 142,954.07, 214,349.06 and 54,150.93 is: 81,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,954.07 : 214,349.06 = 54,150.93 : x
  2. Step 2: Convert to fraction form
    142,954.07/214,349.06 = 54,150.93/x
  3. Step 3: Cross multiply
    142,954.07x = 214,349.06 × 54,150.93
  4. Step 4: Simplify right side
    142,954.07x = 11,607,200,672.87
  5. Step 5: Solve for x
    x = 11,607,200,672.87/142,954.07
  6. Step 6: Final answer
    x = 81,195.32

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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.