Home / 109,644.48-151,293-64,305.36

Finding the Fourth Proportional to 109,644.48, 151,293 and 64,305.36

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Solution

The fourth proportional to 109,644.48, 151,293 and 64,305.36 is: 88,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,644.48 : 151,293 = 64,305.36 : x
  2. Step 2: Convert to fraction form
    109,644.48/151,293 = 64,305.36/x
  3. Step 3: Cross multiply
    109,644.48x = 151,293 × 64,305.36
  4. Step 4: Simplify right side
    109,644.48x = 9,728,950,830.48
  5. Step 5: Solve for x
    x = 9,728,950,830.48/109,644.48
  6. Step 6: Final answer
    x = 88,731.79

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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.