Home / 215,534.61-297,446.94-120,041.31

Finding the Fourth Proportional to 215,534.61, 297,446.94 and 120,041.31

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Solution

The fourth proportional to 215,534.61, 297,446.94 and 120,041.31 is: 165,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,534.61 : 297,446.94 = 120,041.31 : x
  2. Step 2: Convert to fraction form
    215,534.61/297,446.94 = 120,041.31/x
  3. Step 3: Cross multiply
    215,534.61x = 297,446.94 × 120,041.31
  4. Step 4: Simplify right side
    215,534.61x = 35,705,920,333.09
  5. Step 5: Solve for x
    x = 35,705,920,333.09/215,534.61
  6. Step 6: Final answer
    x = 165,662.12

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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.