Home / 643,119.16-964,669.39-156,803.26

Finding the Fourth Proportional to 643,119.16, 964,669.39 and 156,803.26

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Solution

The fourth proportional to 643,119.16, 964,669.39 and 156,803.26 is: 235,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,119.16 : 964,669.39 = 156,803.26 : x
  2. Step 2: Convert to fraction form
    643,119.16/964,669.39 = 156,803.26/x
  3. Step 3: Cross multiply
    643,119.16x = 964,669.39 × 156,803.26
  4. Step 4: Simplify right side
    643,119.16x = 151,263,305,174.21
  5. Step 5: Solve for x
    x = 151,263,305,174.21/643,119.16
  6. Step 6: Final answer
    x = 235,202.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.