Home / 134,339.07-185,389.46-76,977.25

Finding the Fourth Proportional to 134,339.07, 185,389.46 and 76,977.25

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Solution

The fourth proportional to 134,339.07, 185,389.46 and 76,977.25 is: 106,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,339.07 : 185,389.46 = 76,977.25 : x
  2. Step 2: Convert to fraction form
    134,339.07/185,389.46 = 76,977.25/x
  3. Step 3: Cross multiply
    134,339.07x = 185,389.46 × 76,977.25
  4. Step 4: Simplify right side
    134,339.07x = 14,270,770,809.79
  5. Step 5: Solve for x
    x = 14,270,770,809.79/134,339.07
  6. Step 6: Final answer
    x = 106,229.49

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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.