Home / 215,726.48-297,703.92-120,239.22

Finding the Fourth Proportional to 215,726.48, 297,703.92 and 120,239.22

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Solution

The fourth proportional to 215,726.48, 297,703.92 and 120,239.22 is: 165,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,726.48 : 297,703.92 = 120,239.22 : x
  2. Step 2: Convert to fraction form
    215,726.48/297,703.92 = 120,239.22/x
  3. Step 3: Cross multiply
    215,726.48x = 297,703.92 × 120,239.22
  4. Step 4: Simplify right side
    215,726.48x = 35,795,687,131.74
  5. Step 5: Solve for x
    x = 35,795,687,131.74/215,726.48
  6. Step 6: Final answer
    x = 165,930.89

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1.5x scale

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.