Home / 134,215.97-185,214.09-76,853.39

Finding the Fourth Proportional to 134,215.97, 185,214.09 and 76,853.39

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Solution

The fourth proportional to 134,215.97, 185,214.09 and 76,853.39 is: 106,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,215.97 : 185,214.09 = 76,853.39 : x
  2. Step 2: Convert to fraction form
    134,215.97/185,214.09 = 76,853.39/x
  3. Step 3: Cross multiply
    134,215.97x = 185,214.09 × 76,853.39
  4. Step 4: Simplify right side
    134,215.97x = 14,234,329,766.19
  5. Step 5: Solve for x
    x = 14,234,329,766.19/134,215.97
  6. Step 6: Final answer
    x = 106,055.41

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1.5x scale

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.