Home / 134,380.88-185,453.27-77,029.74

Finding the Fourth Proportional to 134,380.88, 185,453.27 and 77,029.74

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Solution

The fourth proportional to 134,380.88, 185,453.27 and 77,029.74 is: 106,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,380.88 : 185,453.27 = 77,029.74 : x
  2. Step 2: Convert to fraction form
    134,380.88/185,453.27 = 77,029.74/x
  3. Step 3: Cross multiply
    134,380.88x = 185,453.27 × 77,029.74
  4. Step 4: Simplify right side
    134,380.88x = 14,285,417,170.25
  5. Step 5: Solve for x
    x = 14,285,417,170.25/134,380.88
  6. Step 6: Final answer
    x = 106,305.43

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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.