Home / 134,536.32-185,618.20-76,383.54

Finding the Fourth Proportional to 134,536.32, 185,618.20 and 76,383.54

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Solution

The fourth proportional to 134,536.32, 185,618.20 and 76,383.54 is: 105,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,536.32 : 185,618.20 = 76,383.54 : x
  2. Step 2: Convert to fraction form
    134,536.32/185,618.20 = 76,383.54/x
  3. Step 3: Cross multiply
    134,536.32x = 185,618.20 × 76,383.54
  4. Step 4: Simplify right side
    134,536.32x = 14,178,175,204.43
  5. Step 5: Solve for x
    x = 14,178,175,204.43/134,536.32
  6. Step 6: Final answer
    x = 105,385.48

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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.