Home / 201,514.08-278,058.64-120,924

Finding the Fourth Proportional to 201,514.08, 278,058.64 and 120,924

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Solution

The fourth proportional to 201,514.08, 278,058.64 and 120,924 is: 166,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,514.08 : 278,058.64 = 120,924 : x
  2. Step 2: Convert to fraction form
    201,514.08/278,058.64 = 120,924/x
  3. Step 3: Cross multiply
    201,514.08x = 278,058.64 × 120,924
  4. Step 4: Simplify right side
    201,514.08x = 33,623,962,983.36
  5. Step 5: Solve for x
    x = 33,623,962,983.36/201,514.08
  6. Step 6: Final answer
    x = 166,856.64

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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.