Home / 215,541.36-297,456.24-120,048

Finding the Fourth Proportional to 215,541.36, 297,456.24 and 120,048

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Solution

The fourth proportional to 215,541.36, 297,456.24 and 120,048 is: 165,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,541.36 : 297,456.24 = 120,048 : x
  2. Step 2: Convert to fraction form
    215,541.36/297,456.24 = 120,048/x
  3. Step 3: Cross multiply
    215,541.36x = 297,456.24 × 120,048
  4. Step 4: Simplify right side
    215,541.36x = 35,709,026,699.52
  5. Step 5: Solve for x
    x = 35,709,026,699.52/215,541.36
  6. Step 6: Final answer
    x = 165,671.34

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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.