Home / 142,911.39-214,322.14-51,715.02

Finding the Fourth Proportional to 142,911.39, 214,322.14 and 51,715.02

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Solution

The fourth proportional to 142,911.39, 214,322.14 and 51,715.02 is: 77,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,911.39 : 214,322.14 = 51,715.02 : x
  2. Step 2: Convert to fraction form
    142,911.39/214,322.14 = 51,715.02/x
  3. Step 3: Cross multiply
    142,911.39x = 214,322.14 × 51,715.02
  4. Step 4: Simplify right side
    142,911.39x = 11,083,673,756.54
  5. Step 5: Solve for x
    x = 11,083,673,756.54/142,911.39
  6. Step 6: Final answer
    x = 77,556.27

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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.