Home / 155,145.64-214,037.22-98,536.36

Finding the Fourth Proportional to 155,145.64, 214,037.22 and 98,536.36

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Solution

The fourth proportional to 155,145.64, 214,037.22 and 98,536.36 is: 135,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145.64 : 214,037.22 = 98,536.36 : x
  2. Step 2: Convert to fraction form
    155,145.64/214,037.22 = 98,536.36/x
  3. Step 3: Cross multiply
    155,145.64x = 214,037.22 × 98,536.36
  4. Step 4: Simplify right side
    155,145.64x = 21,090,448,563.32
  5. Step 5: Solve for x
    x = 21,090,448,563.32/155,145.64
  6. Step 6: Final answer
    x = 135,939.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.