Home / 259,513.21-358,138.64-144,801.87

Finding the Fourth Proportional to 259,513.21, 358,138.64 and 144,801.87

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Solution

The fourth proportional to 259,513.21, 358,138.64 and 144,801.87 is: 199,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,513.21 : 358,138.64 = 144,801.87 : x
  2. Step 2: Convert to fraction form
    259,513.21/358,138.64 = 144,801.87/x
  3. Step 3: Cross multiply
    259,513.21x = 358,138.64 × 144,801.87
  4. Step 4: Simplify right side
    259,513.21x = 51,859,145,153.26
  5. Step 5: Solve for x
    x = 51,859,145,153.26/259,513.21
  6. Step 6: Final answer
    x = 199,832.39

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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.