Home / 151,846.41-209,792.13-129,422.37

Finding the Fourth Proportional to 151,846.41, 209,792.13 and 129,422.37

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Solution

The fourth proportional to 151,846.41, 209,792.13 and 129,422.37 is: 178,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,846.41 : 209,792.13 = 129,422.37 : x
  2. Step 2: Convert to fraction form
    151,846.41/209,792.13 = 129,422.37/x
  3. Step 3: Cross multiply
    151,846.41x = 209,792.13 × 129,422.37
  4. Step 4: Simplify right side
    151,846.41x = 27,151,794,671.95
  5. Step 5: Solve for x
    x = 27,151,794,671.95/151,846.41
  6. Step 6: Final answer
    x = 178,810.91

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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.