Home / 144,383.14-199,040.32-98,989.22

Finding the Fourth Proportional to 144,383.14, 199,040.32 and 98,989.22

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Solution

The fourth proportional to 144,383.14, 199,040.32 and 98,989.22 is: 136,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,383.14 : 199,040.32 = 98,989.22 : x
  2. Step 2: Convert to fraction form
    144,383.14/199,040.32 = 98,989.22/x
  3. Step 3: Cross multiply
    144,383.14x = 199,040.32 × 98,989.22
  4. Step 4: Simplify right side
    144,383.14x = 19,702,846,646.69
  5. Step 5: Solve for x
    x = 19,702,846,646.69/144,383.14
  6. Step 6: Final answer
    x = 136,462.24

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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.