Home / 215,821.71-297,822.99-119,042.40

Finding the Fourth Proportional to 215,821.71, 297,822.99 and 119,042.40

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Solution

The fourth proportional to 215,821.71, 297,822.99 and 119,042.40 is: 164,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,821.71 : 297,822.99 = 119,042.40 : x
  2. Step 2: Convert to fraction form
    215,821.71/297,822.99 = 119,042.40/x
  3. Step 3: Cross multiply
    215,821.71x = 297,822.99 × 119,042.40
  4. Step 4: Simplify right side
    215,821.71x = 35,453,563,504.78
  5. Step 5: Solve for x
    x = 35,453,563,504.78/215,821.71
  6. Step 6: Final answer
    x = 164,272.46

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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.