Home / 156,940.01-236,264.07-142,989.65

Finding the Fourth Proportional to 156,940.01, 236,264.07 and 142,989.65

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Solution

The fourth proportional to 156,940.01, 236,264.07 and 142,989.65 is: 215,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.01 : 236,264.07 = 142,989.65 : x
  2. Step 2: Convert to fraction form
    156,940.01/236,264.07 = 142,989.65/x
  3. Step 3: Cross multiply
    156,940.01x = 236,264.07 × 142,989.65
  4. Step 4: Simplify right side
    156,940.01x = 33,783,315,961.93
  5. Step 5: Solve for x
    x = 33,783,315,961.93/156,940.01
  6. Step 6: Final answer
    x = 215,262.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.