Home / 188,435.36-282,037.76-138,502.32

Finding the Fourth Proportional to 188,435.36, 282,037.76 and 138,502.32

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Solution

The fourth proportional to 188,435.36, 282,037.76 and 138,502.32 is: 207,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,435.36 : 282,037.76 = 138,502.32 : x
  2. Step 2: Convert to fraction form
    188,435.36/282,037.76 = 138,502.32/x
  3. Step 3: Cross multiply
    188,435.36x = 282,037.76 × 138,502.32
  4. Step 4: Simplify right side
    188,435.36x = 39,062,884,087.60
  5. Step 5: Solve for x
    x = 39,062,884,087.60/188,435.36
  6. Step 6: Final answer
    x = 207,301.24

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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.