Home / 215,582.70-297,513.32-120,089.43

Finding the Fourth Proportional to 215,582.70, 297,513.32 and 120,089.43

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Solution

The fourth proportional to 215,582.70, 297,513.32 and 120,089.43 is: 165,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,582.70 : 297,513.32 = 120,089.43 : x
  2. Step 2: Convert to fraction form
    215,582.70/297,513.32 = 120,089.43/x
  3. Step 3: Cross multiply
    215,582.70x = 297,513.32 × 120,089.43
  4. Step 4: Simplify right side
    215,582.70x = 35,728,204,415.76
  5. Step 5: Solve for x
    x = 35,728,204,415.76/215,582.70
  6. Step 6: Final answer
    x = 165,728.53

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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.