Home / 134,394.86-185,465.03-73,969.88

Finding the Fourth Proportional to 134,394.86, 185,465.03 and 73,969.88

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Solution

The fourth proportional to 134,394.86, 185,465.03 and 73,969.88 is: 102,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,394.86 : 185,465.03 = 73,969.88 : x
  2. Step 2: Convert to fraction form
    134,394.86/185,465.03 = 73,969.88/x
  3. Step 3: Cross multiply
    134,394.86x = 185,465.03 × 73,969.88
  4. Step 4: Simplify right side
    134,394.86x = 13,718,824,716.12
  5. Step 5: Solve for x
    x = 13,718,824,716.12/134,394.86
  6. Step 6: Final answer
    x = 102,078.49

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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.