Home / 134,087.81-185,042.34-73,659.78

Finding the Fourth Proportional to 134,087.81, 185,042.34 and 73,659.78

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Solution

The fourth proportional to 134,087.81, 185,042.34 and 73,659.78 is: 101,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,087.81 : 185,042.34 = 73,659.78 : x
  2. Step 2: Convert to fraction form
    134,087.81/185,042.34 = 73,659.78/x
  3. Step 3: Cross multiply
    134,087.81x = 185,042.34 × 73,659.78
  4. Step 4: Simplify right side
    134,087.81x = 13,630,178,055.09
  5. Step 5: Solve for x
    x = 13,630,178,055.09/134,087.81
  6. Step 6: Final answer
    x = 101,651.14

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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.