Home / 215,514.49-297,388.69-120,030.07

Finding the Fourth Proportional to 215,514.49, 297,388.69 and 120,030.07

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Solution

The fourth proportional to 215,514.49, 297,388.69 and 120,030.07 is: 165,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,514.49 : 297,388.69 = 120,030.07 : x
  2. Step 2: Convert to fraction form
    215,514.49/297,388.69 = 120,030.07/x
  3. Step 3: Cross multiply
    215,514.49x = 297,388.69 × 120,030.07
  4. Step 4: Simplify right side
    215,514.49x = 35,695,585,277.91
  5. Step 5: Solve for x
    x = 35,695,585,277.91/215,514.49
  6. Step 6: Final answer
    x = 165,629.63

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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.